Cita APA (7a ed.)

Engelhardt, N. L. (1949). Planning secondary school buildings. Reinhold Publishing Corporation.

Cita Chicago Style (17a ed.)

Engelhardt, Nikolaus Louis. Planning Secondary School Buildings. New York: Reinhold Publishing Corporation, 1949.

Cita MLA (9a ed.)

Engelhardt, Nikolaus Louis. Planning Secondary School Buildings. Reinhold Publishing Corporation, 1949.