Cita APA (7th ed.)

Gassner, J. (1965). Eugene O'Neill. University of Minnesota Press.

Cita Chicago (17th ed.)

Gassner, John. Eugene O'Neill. Minneapolis: University of Minnesota Press, 1965.

Cita MLA (8th ed.)

Gassner, John. Eugene O'Neill. University of Minnesota Press, 1965.