APA (7th ed.) Citation

Yarwood, C. E. (1936). The diurnal cycle of the powdery mildew Erysiphe polygoni ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Yarwood, C. E. The Diurnal Cycle of the Powdery Mildew Erysiphe Polygoni. [Sonderdr.]. 1936.

MLA (9th ed.) Citation

Yarwood, C. E. The Diurnal Cycle of the Powdery Mildew Erysiphe Polygoni. [Sonderdr.]. 1936.

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