Cita APA (7a ed.)

Douglas, L. V., Blanford, J. T., & Anderson, R. I. (1973). Teaching business subjects (3rd ed.). Prentice-Hall.

Cita Chicago Style (17a ed.)

Douglas, Lloyd Virgil, James T. Blanford, y Ruth I. Anderson. Teaching Business Subjects. 3rd ed. Englewood Cliffs, New Jersey: Prentice-Hall, 1973.

Cita MLA (9a ed.)

Douglas, Lloyd Virgil, et al. Teaching Business Subjects. 3rd ed. Prentice-Hall, 1973.