APA (7th ed.) Citation

Krukoff, B. A. (1972). American species of Strychnos ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Krukoff, B. A. American Species of Strychnos. [Sonderdr.]. 1972.

MLA (9th ed.) Citation

Krukoff, B. A. American Species of Strychnos. [Sonderdr.]. 1972.

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