APA (7th ed.) Citation

Ee, G. C. L., Lim, S. K., Lim, C. M., & Abdullah, D. K. (2008). Alkaloids and carboxylic acids from Piper nigrum. Asian Publication Corporation.

Chicago Style (17th ed.) Citation

Ee, Gwendoline Cheng Lian, S. K. Lim, Chyi Meei Lim, and Dzulkefly Kuang Abdullah. Alkaloids and Carboxylic Acids from Piper Nigrum. Asian Publication Corporation, 2008.

MLA (9th ed.) Citation

Ee, Gwendoline Cheng Lian, et al. Alkaloids and Carboxylic Acids from Piper Nigrum. Asian Publication Corporation, 2008.

Warning: These citations may not always be 100% accurate.