APA (7th ed.) Citation

Ismail, A. A. M., Abdullah, Z. A. K. @., & Omar, I. C. (2011). Isolation and purification of hirudin from local endangered leech species.

Chicago Style (17th ed.) Citation

Ismail, Ahmad Anwar Mohamed, Zulhisyam Abdul Kari @ Abdullah, and Ibrahim Che Omar. Isolation and Purification of Hirudin from Local Endangered Leech Species. 2011.

MLA (9th ed.) Citation

Ismail, Ahmad Anwar Mohamed, et al. Isolation and Purification of Hirudin from Local Endangered Leech Species. 2011.