Cita APA (7a ed.)

Kramer, P. J., & Kozlowski, T. T. (1960). Physiology of trees: Paul J. Kramer, Theodore T. Kozlowski. McGraw-Hill.

Cita Chicago Style (17a ed.)

Kramer, Paul J., y Theodore Thomas Kozlowski. Physiology of Trees: Paul J. Kramer, Theodore T. Kozlowski. New York [etc.]: McGraw-Hill, 1960.

Cita MLA (9a ed.)

Kramer, Paul J., y Theodore Thomas Kozlowski. Physiology of Trees: Paul J. Kramer, Theodore T. Kozlowski. McGraw-Hill, 1960.