APA (7th ed.) Citation

Collinson, F. (1939). When Texas was a frontier. Warner Publications.

Chicago Style (17th ed.) Citation

Collinson, Frank. When Texas Was a Frontier. Chicago: Warner Publications, 1939.

MLA (9th ed.) Citation

Collinson, Frank. When Texas Was a Frontier. Warner Publications, 1939.

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