Cita APA (7a ed.)

Jacobson, P. B., & Reavis, W. C. (1942). Duties of school principals. Prentice-Hall, inc.

Cita Chicago Style (17a ed.)

Jacobson, Paul Benjamin, y William Claude Reavis. Duties of School Principals. New York: Prentice-Hall, inc, 1942.

Cita MLA (9a ed.)

Jacobson, Paul Benjamin, y William Claude Reavis. Duties of School Principals. Prentice-Hall, inc, 1942.