APA (7th ed.) Citation

Mulford, C. E. (2011). Hopalong Cassidy. Project Gutenberg.

Chicago Style (17th ed.) Citation

Mulford, Clarence Edward. Hopalong Cassidy. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Mulford, Clarence Edward. Hopalong Cassidy. Project Gutenberg, 2011.

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