APA (7th ed.) Citation

Gardiner, C. F. (1938). Doctor at timberline. The Caxton printers, ltd..

Chicago Style (17th ed.) Citation

Gardiner, Charles Fox. Doctor at Timberline. Caldwell, Id: The Caxton printers, ltd., 1938.

MLA (9th ed.) Citation

Gardiner, Charles Fox. Doctor at Timberline. The Caxton printers, ltd., 1938.