APA (7th ed.) Citation

CLARKE, Barkman, & WONG. (1997). Nepenthes of Borneo. Natural History Pub..

Chicago Style (17th ed.) Citation

CLARKE, Barkman, and WONG. Nepenthes of Borneo. Kota Kinabalu: Natural History Pub., 1997.

MLA (9th ed.) Citation

CLARKE, et al. Nepenthes of Borneo. Natural History Pub., 1997.