APA aipamena

Gassner, J. (1964). O'Neill: A collection of crytical essays.

Chicago Style aipamena

Gassner, John. O'Neill: A Collection of Crytical Essays. New Jersey, Prentice Hall Inc, 1964.

MLA aipamena

Gassner, John. O'Neill: A Collection of Crytical Essays. 1964.