Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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