Styl cytowania APA

Berkowitz, G. M. (1992). American drama of the twentieth century. Longman.

Styl cytowania Chicago

Berkowitz, Gerald M. American Drama of the Twentieth Century. London ; New York: Longman, 1992.

Styl cytowania MLA

Berkowitz, Gerald M. American Drama of the Twentieth Century. Longman, 1992.