Cita APA

Hamp, E. P., Gutiérrez, A. L., & Rankin, E. (1979). Composition plus level F. Harper and Row.

Citación estilo Chicago

Hamp, Eric P., Arturo Luis Gutiérrez, and Earl Rankin. Composition Plus Level F. Harper and Row, 1979.

Cita MLA

Hamp, Eric P., et al. Composition Plus Level F. Harper and Row, 1979.