Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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