APA (7th ed.) Citation

Holttum, R. E. (1966). New ferns from Malesia ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Holttum, Richard E. New Ferns from Malesia. [Sonderdr.]. 1966.

MLA (9th ed.) Citation

Holttum, Richard E. New Ferns from Malesia. [Sonderdr.]. 1966.

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