APA (7th ed.) Citation

Whetzel, H. H. (1918). An outline of the history of phytopathology. W.B. Saunders company.

Chicago Style (17th ed.) Citation

Whetzel, Herbert Hice. An Outline of the History of Phytopathology. Philadelphia, London: W.B. Saunders company, 1918.

MLA (9th ed.) Citation

Whetzel, Herbert Hice. An Outline of the History of Phytopathology. W.B. Saunders company, 1918.