APA (7th ed.) Citation

Spencer, D. M. (1978). The Powdery mildews. Academic Press.

Chicago Style (17th ed.) Citation

Spencer, D. M. The Powdery Mildews. London New York: Academic Press, 1978.

MLA (9th ed.) Citation

Spencer, D. M. The Powdery Mildews. Academic Press, 1978.

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