APA (7th ed.) Citation

Ivens, G. W. (1971). East African weeds and their control (Revised ed.). Oxford University Press.

Chicago Style (17th ed.) Citation

Ivens, Giles William. East African Weeds and Their Control. Revised ed. Nairobi: Oxford University Press, 1971.

MLA (9th ed.) Citation

Ivens, Giles William. East African Weeds and Their Control. Revised ed. Oxford University Press, 1971.