APA (7th ed.) Citation

Peterson, B. (1958). Some interesting species of Gnidia ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Peterson, Bo. Some Interesting Species of Gnidia. [Sonderdr.]. 1958.

MLA (9th ed.) Citation

Peterson, Bo. Some Interesting Species of Gnidia. [Sonderdr.]. 1958.

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