Cita APA (7a ed.)

Lado, R., & Fries, C. C. (1962). English pronunciation. University of Michigan.

Cita Chicago Style (17a ed.)

Lado, Robert, y Charles C. Fries. English Pronunciation. Michigan: University of Michigan, 1962.

Cita MLA (8a ed.)

Lado, Robert, y Charles C. Fries. English Pronunciation. University of Michigan, 1962.