Cita APA (7a ed.)

Allen, J. R., Walker, J. H., & James, J. W. (1946). Heating and air conditioning (6th ed.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Allen, John R., James Herbert Walker, y John Williams James. Heating and Air Conditioning. 6th ed. New York, London: McGraw-Hill, 1946.

Cita MLA (8a ed.)

Allen, John R., et al. Heating and Air Conditioning. 6th ed. McGraw-Hill, 1946.