APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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