Cita APA (7a ed.)

Doane, F., & Beltz, C. (1951). Principles of magnaflux (3a ed.). [s.n.].

Cita Chicago Style (17a ed.)

Doane, F.B, y C.E Beltz. Principles of Magnaflux. 3a ed. Chicago: [s.n.], 1951.

Cita MLA (9a ed.)

Doane, F.B, y C.E Beltz. Principles of Magnaflux. 3a ed. [s.n.], 1951.