APA (7th ed.) Citation

Selden, S. (1946). An introduction to playwriting. F. S. Crofts & co.

Chicago Style (17th ed.) Citation

Selden, Samuel. An Introduction to Playwriting. New York: F. S. Crofts & co, 1946.

MLA (9th ed.) Citation

Selden, Samuel. An Introduction to Playwriting. F. S. Crofts & co, 1946.

Warning: These citations may not always be 100% accurate.