Cita APA (7a ed.)
Bremer, J., Guzmán Anell, J. T., & Moschzisker, M. V. (1973). The school without walls: Philadelphia's Parkway program.
Cita estilo Chicago (17a ed.)
Bremer, John, José Teódulo Guzmán Anell, y Michael Von Moschzisker. The School Without Walls: Philadelphia's Parkway Program. 1973.
Cita MLA (9a ed.)
Bremer, John, et al. The School Without Walls: Philadelphia's Parkway Program. 1973.
Precaución: Estas citas no son 100% exactas.