Cita APA (7a ed.)

Say, M., & Taylor, E. (1986). Direct current machines (2a ed.). Pitman Publishing Corporation.

Cita Chicago Style (17a ed.)

Say, M.G, y E.Openshaw Taylor. Direct Current Machines. 2a ed. Londres: Pitman Publishing Corporation, 1986.

Cita MLA (9a ed.)

Say, M.G, y E.Openshaw Taylor. Direct Current Machines. 2a ed. Pitman Publishing Corporation, 1986.