APA (7th ed.) Citation

Hills, E., C., & Ford, J. D. M. (1917). First Spanish course. D.C. Heath.

Chicago Style (17th ed.) Citation

Hills, E., C., and J. D. M. Ford. First Spanish Course. New York: D.C. Heath, 1917.

MLA (9th ed.) Citation

Hills, E., C., and J. D. M. Ford. First Spanish Course. D.C. Heath, 1917.