Cita APA

Fiedler, E., Jansen, R., & Norman-Risch, M. (1990). America in close-up. Longman.

Citación estilo Chicago

Fiedler, Eckhard, Reimer Jansen, and Mil Norman-Risch. America in Close-up. Essex: Longman, 1990.

Cita MLA

Fiedler, Eckhard, et al. America in Close-up. Longman, 1990.