APA (7th ed.) Citation

Kirkbride, J. H. (1979). Revision of the genus Psyllocarpus (Rubiaceae). Smithsonian Institution Press.

Chicago Style (17th ed.) Citation

Kirkbride, Joseph H. Revision of the Genus Psyllocarpus (Rubiaceae). City of Washington: Smithsonian Institution Press, 1979.

MLA (9th ed.) Citation

Kirkbride, Joseph H. Revision of the Genus Psyllocarpus (Rubiaceae). Smithsonian Institution Press, 1979.

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