APA (7th ed.) Citation

Holttum, R. E. (1975). Thelypteris viscosa and its allies in Malaya ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Holttum, Richard E. Thelypteris Viscosa and Its Allies in Malaya. [Sonderdr.]. 1975.

MLA (9th ed.) Citation

Holttum, Richard E. Thelypteris Viscosa and Its Allies in Malaya. [Sonderdr.]. 1975.

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