APA (7th ed.) Citation

Ridsdale, C. E. (1976). A revision of the tribe Cephalantheae (Rubiaceae) ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Ridsdale, C. E. A Revision of the Tribe Cephalantheae (Rubiaceae). [Sonderdr.]. 1976.

MLA (9th ed.) Citation

Ridsdale, C. E. A Revision of the Tribe Cephalantheae (Rubiaceae). [Sonderdr.]. 1976.

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