APA (7th ed.) Citation

Smith, L. K., & Elwell, R. F. (1938). Forty days to Santa Fe (First edition.). Little, Brown and Company.

Chicago Style (17th ed.) Citation

Smith, Leonard K., and Robert Farrington Elwell. Forty Days to Santa Fe. First edition. Boston: Little, Brown and Company, 1938.

MLA (9th ed.) Citation

Smith, Leonard K., and Robert Farrington Elwell. Forty Days to Santa Fe. First edition. Little, Brown and Company, 1938.