APA (7th ed.) Citation

Wallis, R. A. (1961). Axial flow fans: Design and practice. Academic Press.

Chicago Style (17th ed.) Citation

Wallis, R. Allan. Axial Flow Fans: Design and Practice. New York ; London: Academic Press, 1961.

MLA (9th ed.) Citation

Wallis, R. Allan. Axial Flow Fans: Design and Practice. Academic Press, 1961.