APA (7th ed.) Citation

Engler, A. (1897). Scrophulariaceae africanae ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Engler, Adolf. Scrophulariaceae Africanae. [Sonderdr.]. 1897.

MLA (9th ed.) Citation

Engler, Adolf. Scrophulariaceae Africanae. [Sonderdr.]. 1897.

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