APA (7th ed.) Citation

Kirkbride Joseph Jr. H. Revision of the genus psyllocarpus ( Rubiaceae). Smithsonian Institution Press6c1979.

Chicago Style (17th ed.) Citation

Kirkbride Joseph Jr. H. Revision of the Genus Psyllocarpus ( Rubiaceae). Washington: Smithsonian Institution Press6c1979.

MLA (9th ed.) Citation

Kirkbride Joseph Jr. H. Revision of the Genus Psyllocarpus ( Rubiaceae). Smithsonian Institution Press6c1979.

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