APA (7th ed.) Citation

Waterhouse, G. M. (1963). Key to the species of Phytophthora de Bary. Commonwealth Mycological Institute.

Chicago Style (17th ed.) Citation

Waterhouse, Grace M. Key to the Species of Phytophthora De Bary. Kew, Eng.: Commonwealth Mycological Institute, 1963.

MLA (9th ed.) Citation

Waterhouse, Grace M. Key to the Species of Phytophthora De Bary. Commonwealth Mycological Institute, 1963.