APA (7th ed.) Citation

Dryden, C. P., Dreany, E. J., Cox, R., & Ross, A. (1949). Up the Columbia for furs. Caxton Printers.

Chicago Style (17th ed.) Citation

Dryden, Cecil P., E. Joseph Dreany, Ross Cox, and Alexander Ross. Up the Columbia for Furs. Caldwell, Idaho: Caxton Printers, 1949.

MLA (8th ed.) Citation

Dryden, Cecil P., et al. Up the Columbia for Furs. Caxton Printers, 1949.

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