adding citation option

src/param.c

@@ -33,6 +33,7 @@ void print_usage() {
     "<--force/-f>.......Will force the computation of the pause even in case of\n"
     "                   huge number of clashes (threshold defined in struct.h)\n"
     "<-distTH>%%.........Distance for contact\n"
+    "<-cite>.............Prints the bibtex citation for this tool.\n"
     "--\n"
     "Leaving this option blank means that the default format for the docking file\n"
     "will be used.\n"
@@ -155,6 +156,19 @@ struct argLine* parseLineOfArgument(int argc, char** argv){
                 fprintf(stderr,"The threshold distance has to be above 0.\n");
                 exit(EXIT_SUCCESS);
             }
+        }else if(strcmp(argv[i],"-cite") == 0){
+            printf("@article{Dequeker2017Nov,"
+                    "author = {Dequeker, Chlo'e and Laine, Elodie and Carbone, Alessandra},\n"
+                    "title = {{INTerface Builder: A Fast Protein-Protein Interface Reconstruction Tool}},\n"
+                    "journal = {J. Chem. Inf. Model.},\n"
+                    "volume = {57},\n"
+                    "number = {11},\n"
+                    "pages = {2613--2617},\n"
+                    "year = {2017},\n"
+                    "month = {Nov},\n"
+                    "issn = {1549-960X},\n"
+                    "publisher = {American Chemical Society},\n"
+                    "doi = {10.1021/acs.jcim.7b00360}\n}");
         }else if(strcmp(argv[i],"-HCMD2") == 0){
             HCMD2 = 1;
         }else if(strcmp(argv[i],"-MAXDo") == 0){