APA (7th ed.) Citation

Gregory, H. S., & Rourke, E. (1957). Hygrometry. Crosby Lockwood.

Chicago Style (17th ed.) Citation

Gregory, Hamer S., and Edward Rourke. Hygrometry. London: Crosby Lockwood, 1957.

MLA (9th ed.) Citation

Gregory, Hamer S., and Edward Rourke. Hygrometry. Crosby Lockwood, 1957.