APA aipamena

George, D. G., Barker, W. C., Mewes, H. W., Pfeiffer, F., & Tsugita, A. (1994). The PIR-International Protein Sequence Database.

Chicago Style aipamena

George, D G., W C. Barker, H W. Mewes, F. Pfeiffer, and A. Tsugita. The PIR-International Protein Sequence Database. 1994.

MLA aipamena

George, D G., et al. The PIR-International Protein Sequence Database. 1994.