APA (7th ed.) Citation

Holttum, R. E. (1979). Sphaerostephanos (Thelypteridaceae) in Asia excluding Malesia ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Holttum, Richard E. Sphaerostephanos (Thelypteridaceae) in Asia Excluding Malesia. [Sonderdr.]. 1979.

MLA (9th ed.) Citation

Holttum, Richard E. Sphaerostephanos (Thelypteridaceae) in Asia Excluding Malesia. [Sonderdr.]. 1979.

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