Cita APA (7a ed.)

Sheaffer, L. (1968). O'Neill: Son and Playwright. Little, Brown.

Cita Chicago Style (17a ed.)

Sheaffer, Louis. O'Neill: Son and Playwright. Boston: Little, Brown, 1968.

Cita MLA (9a ed.)

Sheaffer, Louis. O'Neill: Son and Playwright. Little, Brown, 1968.