Cita APA (7a ed.)
Oliva, P. F., & Scrafford, R. (19). Teaching in a modern secondary school.
Cita estilo Chicago (17a ed.)
Oliva, Peter F., y Ralph Scrafford. Teaching in a Modern Secondary School. 19.
Cita MLA (9a ed.)
Oliva, Peter F., y Ralph Scrafford. Teaching in a Modern Secondary School. 19.
Precaución: Estas citas no son 100% exactas.