Cita APA (7a ed.)
Engelhardt, N. (1949). Planning secondary school buildings. Reinhold.
Cita estilo Chicago (17a ed.)
Engelhardt, N.L. Planning Secondary School Buildings. Nueva York, EUA: Reinhold, 1949.
Cita MLA (9a ed.)
Engelhardt, N.L. Planning Secondary School Buildings. Reinhold, 1949.
Precaución: Estas citas no son 100% exactas.