Cita APA (7th ed.)
Gray, J., & McCormack, J. H. (1992). The Selected Prose of John Gray. ELT Press.
Cita Chicago (17th ed.)
Gray, John, i Jerusha Hull McCormack. The Selected Prose of John Gray. Greensboro, N.C.: ELT Press, 1992.
Cita MLA (9th ed.)
Gray, John, i Jerusha Hull McCormack. The Selected Prose of John Gray. ELT Press, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.