R, S., M, C., G, L., & MA, S. (2003). GPCR-GRAPA-LIB--a refined library of hidden Markov Models for annotating GPCRs. Bioinformatics (Oxford, England), 19(5), 667. https://doi.org/10.1093/bioinformatics/btg061
Chicago Style (17th ed.) CitationR, Shigeta, Cline M, Liu G, and Siani-Rose MA. "GPCR-GRAPA-LIB--a Refined Library of Hidden Markov Models for Annotating GPCRs." Bioinformatics (Oxford, England) 19, no. 5 (2003): 667. https://doi.org/10.1093/bioinformatics/btg061.
MLA (9th ed.) CitationR, Shigeta, et al. "GPCR-GRAPA-LIB--a Refined Library of Hidden Markov Models for Annotating GPCRs." Bioinformatics (Oxford, England), vol. 19, no. 5, 2003, p. 667, https://doi.org/10.1093/bioinformatics/btg061.
Warning: These citations may not always be 100% accurate.