APA (7th ed.) Citation

Heinzman, G. (1963). Powder river cowman. Long.

Chicago Style (17th ed.) Citation

Heinzman, George. Powder River Cowman. London: Long, 1963.

MLA (8th ed.) Citation

Heinzman, George. Powder River Cowman. Long, 1963.

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