Cita APA

Kells, L. M. n. 1. (1947). Elementary differential equations (3. edition.). New York: McGraw-Hill Book Company, Inc..

Citación estilo Chicago

Kells, Lyman Morse n. 1888. Elementary Differential Equations. 3. edition. New York: McGraw-Hill Book Company, Inc., 1947.

Cita MLA

Kells, Lyman Morse n. 1888. Elementary Differential Equations. 3. edition. New York: McGraw-Hill Book Company, Inc., 1947.