APA (7th ed.) Citation

Fehr, H. F., & Carnahan, W. H. (1961). Teacher's manual for Geometry. D.C. Heath.

Chicago Style (17th ed.) Citation

Fehr, Howard F., and Walter H. Carnahan. Teacher's Manual for Geometry. Boston: D.C. Heath, 1961.

MLA (9th ed.) Citation

Fehr, Howard F., and Walter H. Carnahan. Teacher's Manual for Geometry. D.C. Heath, 1961.