APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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