APA (7th ed.) Citation

Perkins, J. R. (1908). Labiatae ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Perkins, Janet R. Labiatae. [Sonderdr.]. 1908.

MLA (9th ed.) Citation

Perkins, Janet R. Labiatae. [Sonderdr.]. 1908.

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