APA (7th ed.) Citation

Du Plessis, P. G., & Duncan, G. (1989). Bulbous plants of Southern Africa: A guide to their cultivation and propagation (1. ed., 1. impr.). Tafelberg.

Chicago Style (17th ed.) Citation

Du Plessis, P. G., and Graham Duncan. Bulbous Plants of Southern Africa: A Guide to Their Cultivation and Propagation. 1. ed., 1. impr. Cape Town: Tafelberg, 1989.

MLA (9th ed.) Citation

Du Plessis, P. G., and Graham Duncan. Bulbous Plants of Southern Africa: A Guide to Their Cultivation and Propagation. 1. ed., 1. impr. Tafelberg, 1989.

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