APA (7th ed.) Citation

Ridley, H. N. (1905). The Gesneraceae of the Malay Peninsula ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Ridley, Henry Nicholas. The Gesneraceae of the Malay Peninsula. [Sonderdr.]. 1905.

MLA (9th ed.) Citation

Ridley, Henry Nicholas. The Gesneraceae of the Malay Peninsula. [Sonderdr.]. 1905.

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