Shaw, C. G., & Yerkes, W. D. (1951). The Downy Mildews Peronosporaceae of the Pacific Northwest ([Sonderdr.].).
Chicago Style (17th ed.) CitationShaw, Charles Gardner, and William D. Yerkes. The Downy Mildews Peronosporaceae of the Pacific Northwest. [Sonderdr.]. 1951.
MLA (9th ed.) CitationShaw, Charles Gardner, and William D. Yerkes. The Downy Mildews Peronosporaceae of the Pacific Northwest. [Sonderdr.]. 1951.
Warning: These citations may not always be 100% accurate.