Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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