APA (7th ed.) Citation

Ervin, P., & Kline, O. A. (1933). A two-fisted Santa Claus.

Chicago Style (17th ed.) Citation

Ervin, Patrick, and Otis Adelbert Kline. A Two-fisted Santa Claus. 1933.

MLA (9th ed.) Citation

Ervin, Patrick, and Otis Adelbert Kline. A Two-fisted Santa Claus. 1933.

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