Cita APA (7a ed.)

Feldman, A., & Ford, P. (1979). Scientists & inventors. Facts on File.

Cita Chicago Style (17a ed.)

Feldman, Anthony, y Peter Ford. Scientists & Inventors. New York: Facts on File, 1979.

Cita MLA (9a ed.)

Feldman, Anthony, y Peter Ford. Scientists & Inventors. Facts on File, 1979.