MLA

Smith, Thomas, and W. E Shewell-Cooper. The Profitable Culture of Vegetables. New ed. London: Longman, Green and Co., 1937.

APA

Smith, T., & Shewell-Cooper, W. E. (1937). The profitable culture of vegetables. New ed. London: Longman, Green and Co.

Chicago

Smith, Thomas The Profitable Culture of Vegetables. Edited by W. E. Shewell-Cooper. New ed. London: Longman, Green and Co., 1937.