APA Citation

Kells, L. M., & Kern, W. F. (1951). Plane spherical trigonometry (3a ed.). N.Y: McGraw- Hill.

Chicago Style Citation

Kells, Lyman M., and Willis F. Kern. Plane Spherical Trigonometry. 3a ed. N.Y: McGraw- Hill, 1951.

MLA Citation

Kells, Lyman M., and Willis F. Kern. Plane Spherical Trigonometry. 3a ed. N.Y: McGraw- Hill, 1951.

Warning: These citations may not always be 100% accurate.