APA (7th ed.) Citation

Hamzah, A. S., Arbain, D., Mahyudin, V. Sargent, M., & Lajis, M. N. (1994). The Alkaloids of Ophiorrhiza communis and O. tomentosa. Universiti Putra Malaysia Press.

Chicago Style (17th ed.) Citation

Hamzah, Ahmad Sazali, Dayar Arbain, Mahyudin, Malviyn V. Sargent, and Md Nordin Lajis. The Alkaloids of Ophiorrhiza Communis and O. Tomentosa. Universiti Putra Malaysia Press, 1994.

MLA (9th ed.) Citation

Hamzah, Ahmad Sazali, et al. The Alkaloids of Ophiorrhiza Communis and O. Tomentosa. Universiti Putra Malaysia Press, 1994.