APA (7th ed.) Citation

Kells, L. M., & Bland, J. R. (1951). Plane and spherical trigonometry (3d ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Kells, Lyman M., and James R. Bland. Plane and Spherical Trigonometry. 3d ed. New York: McGraw-Hill, 1951.

MLA (9th ed.) Citation

Kells, Lyman M., and James R. Bland. Plane and Spherical Trigonometry. 3d ed. McGraw-Hill, 1951.