APA (7th ed.) Citation

Rowley, J. R., & Erdtman, G. (1967). Sporoderm in Populus and Salix ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Rowley, John R., and G. Erdtman. Sporoderm in Populus and Salix. [Sonderdr.]. 1967.

MLA (9th ed.) Citation

Rowley, John R., and G. Erdtman. Sporoderm in Populus and Salix. [Sonderdr.]. 1967.

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