APA (7th ed.) Citation

Gulick, B. (2004). Steamboats on Northwest rivers. Caxton Press.

Chicago Style (17th ed.) Citation

Gulick, Bill. Steamboats on Northwest Rivers. Caldwell, Idaho: Caxton Press, 2004.

MLA (8th ed.) Citation

Gulick, Bill. Steamboats on Northwest Rivers. Caxton Press, 2004.

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