APA (7th ed.) Citation

Berrie, G. K., Eze, J. M. O., & Berrie, A. (1987). Tropical plant science. Longman.

Chicago Style (17th ed.) Citation

Berrie, G. K., J. M. O. Eze, and A. Berrie. Tropical Plant Science. Harlow, Essex, U. K.: Longman, 1987.

MLA (9th ed.) Citation

Berrie, G. K., et al. Tropical Plant Science. Longman, 1987.