APA (7th ed.) Citation

Verdcourt, B. (1953). A revision of certain african genera of herbaceous Rubiaceae ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Verdcourt, Bernard. A Revision of Certain African Genera of Herbaceous Rubiaceae. [Sonderdr.]. 1953.

MLA (9th ed.) Citation

Verdcourt, Bernard. A Revision of Certain African Genera of Herbaceous Rubiaceae. [Sonderdr.]. 1953.

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