APA (7th ed.) Citation

Loomis, W. E., Shull, C. A., & Snedecor, G. W. (1937). Methods in plant physiology: A laboratory manual and research handbook. McGraw-Hill book company, inc..

Chicago Style (17th ed.) Citation

Loomis, Walter E., Charles Albert Shull, and George W. Snedecor. Methods in Plant Physiology: A Laboratory Manual and Research Handbook. New York, London: McGraw-Hill book company, inc., 1937.

MLA (9th ed.) Citation

Loomis, Walter E., et al. Methods in Plant Physiology: A Laboratory Manual and Research Handbook. McGraw-Hill book company, inc., 1937.