APA (7th ed.) Citation

Sheldon, H. H., & Holbrook, S. H. (1948). Northwest Corner: Oregon and Washington, the last frontier ([1st ed.].). Doubleday.

Chicago Style (17th ed.) Citation

Sheldon, H. H., and Stewart H. Holbrook. Northwest Corner: Oregon and Washington, the Last Frontier. [1st ed.]. Garden City, N.Y.: Doubleday, 1948.

MLA (8th ed.) Citation

Sheldon, H. H., and Stewart H. Holbrook. Northwest Corner: Oregon and Washington, the Last Frontier. [1st ed.]. Doubleday, 1948.

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