APA (7th ed.) Citation

Kühn, R. (1955). Kiefern ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Kühn, Rolf. Kiefern. [Sonderdr.]. 1955.

MLA (9th ed.) Citation

Kühn, Rolf. Kiefern. [Sonderdr.]. 1955.

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