Cita APA (7a ed.)
Beals, R. L., & Humphrey, N. D. (1957). No Frontier to Learning: The Mexican Student in the United States.
Cita estilo Chicago (17a ed.)
Beals, Ralph L., y Norman D. Humphrey. No Frontier to Learning: The Mexican Student in the United States. 1957.
Cita MLA (9a ed.)
Beals, Ralph L., y Norman D. Humphrey. No Frontier to Learning: The Mexican Student in the United States. 1957.
Precaución: Estas citas no son 100% exactas.