APA Style

Allen, J, R. et al (1946). Heating and Air conditioning / John R. Allen, James Herbert Walker and John William James (6). New York: McGraw-Hill.

MLA Style

Allen, John, R.. et al. "Heating and Air conditioning / John R. Allen, James Herbert Walker and John William James". 6 New York: McGraw-Hill, 1946. Textbook ห้องสมุดทั่วไป.