APA (7th ed.) Citation

Niggli, J. (1945). Pointers on playwriting. The Writer, inc..

Chicago Style (17th ed.) Citation

Niggli, Josephina. Pointers on Playwriting. Boston: The Writer, inc., 1945.

MLA (9th ed.) Citation

Niggli, Josephina. Pointers on Playwriting. The Writer, inc., 1945.