APA (7th ed.) Citation

Skidmore, H. D. (1944). Valley of the sky. Houghton Mifflin company.

Chicago Style (17th ed.) Citation

Skidmore, Hobert Douglas. Valley of the Sky. Boston: Houghton Mifflin company, 1944.

MLA (9th ed.) Citation

Skidmore, Hobert Douglas. Valley of the Sky. Houghton Mifflin company, 1944.