APA (7th ed.) Citation

Johnson, S., Bytebier, B., & Stärker, H. (2015). Orchids of South Africa: A field guide. Struik Nature.

Chicago Style (17th ed.) Citation

Johnson, Steven, Benny Bytebier, and Herbert Stärker. Orchids of South Africa: A Field Guide. Cape Town, South Africa: Struik Nature, 2015.

MLA (9th ed.) Citation

Johnson, Steven, et al. Orchids of South Africa: A Field Guide. Struik Nature, 2015.