APA (7th ed.) Citation

Shaw, C. G., & Yerkes, W. D. (1952). Additions to the Downy Mildews Peronosporaceae of the Pacific Northwest ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Shaw, Charles Gardner, and William D. Yerkes. Additions to the Downy Mildews Peronosporaceae of the Pacific Northwest. [Sonderdr.]. 1952.

MLA (9th ed.) Citation

Shaw, Charles Gardner, and William D. Yerkes. Additions to the Downy Mildews Peronosporaceae of the Pacific Northwest. [Sonderdr.]. 1952.