APA (7th ed.) Citation

Conway, J. G. (1940). Flowers: Their arrangement ("First edition.".). A.A. Knopf.

Chicago Style (17th ed.) Citation

Conway, J. Gregory. Flowers: Their Arrangement. "First edition.". New York, London: A.A. Knopf, 1940.

MLA (9th ed.) Citation

Conway, J. Gregory. Flowers: Their Arrangement. "First edition.". A.A. Knopf, 1940.