APA (7th ed.) Citation

Welker, D. (1971). Theatrical direction: The basic techniques. Allyn and Bacon.

Chicago Style (17th ed.) Citation

Welker, David. Theatrical Direction: The Basic Techniques. Boston: Allyn and Bacon, 1971.

MLA (9th ed.) Citation

Welker, David. Theatrical Direction: The Basic Techniques. Allyn and Bacon, 1971.