APA (7th ed.) Citation

Lötschert, W., & Beese, G. (1987). Collins guide to tropical plants. Collins.

Chicago Style (17th ed.) Citation

Lötschert, Wilhelm, and Gerhard Beese. Collins Guide to Tropical Plants. London: Collins, 1987.

MLA (9th ed.) Citation

Lötschert, Wilhelm, and Gerhard Beese. Collins Guide to Tropical Plants. Collins, 1987.