APA

Gassner J., Quinn E. G., . (1969). The reader's encyclopedia of world drama. New York: Crowell.

Chicago

Gassner John, Quinn Edward G, . 1969. The reader's encyclopedia of world drama. New York: Crowell.

Harvard

Gassner J., Quinn E. G., . (1969). The reader's encyclopedia of world drama. New York: Crowell.

MLA

Gassner John, Quinn Edward G, . The reader's encyclopedia of world drama. New York: Crowell. 1969.