Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Loomis, Walter Earl, Charles Albert Shull, y George Waddel Snedecor. Methods in Plant Physiology: A Laboratory Manual and Research Handbook. New York: McGraw-Hill, 1937.

Cita MLA (8a ed.)

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