APA (7th ed.) Citation

Maas, P. J., Westra, L. Y., & Farjon, A. (1993). Neotropical plant families: A concise guide to families of vascular plants in the Neotropics. Koeltz.

Chicago Style (17th ed.) Citation

Maas, Paul J.M, Lubbert Y. Westra, and Aljos Farjon. Neotropical Plant Families: A Concise Guide to Families of Vascular Plants in the Neotropics. Königstein/Ts. [u.a.]: Koeltz, 1993.

MLA (9th ed.) Citation

Maas, Paul J.M, et al. Neotropical Plant Families: A Concise Guide to Families of Vascular Plants in the Neotropics. Koeltz, 1993.