Principles of horticultural production,

MLA

Gardner, Victor Ray. Principles of Horticultural Production. [East Lansing]: Michigan State University Press, 1966.

APA

Gardner, V. Ray. (1966). Principles of horticultural production. [East Lansing]: Michigan State University Press.

Chicago

Gardner, Victor Ray, Principles of Horticultural Production,. [East Lansing]: Michigan State University Press, 1966.