Cita APA

Kells, L. M. n. 1., & Kells, L. M. n. 1. (1984). Elementary differenctial equations (4. edition.). New York, New York: McGraw-Hill.

Citación estilo Chicago

Kells, Lyman Morse n. 1888, y Lyman Morse n. 1888 Kells. Elementary Differenctial Equations. 4. edition. New York, New York: McGraw-Hill, 1984.

Cita MLA

Kells, Lyman Morse n. 1888, y Lyman Morse n. 1888 Kells. Elementary Differenctial Equations. 4. edition. New York, New York: McGraw-Hill, 1984.