Cita APA (7th ed.)

Knauer, K. (2001). Great discoveries: An amazing journey through space and time. Time.

Cita Chicago (17th ed.)

Knauer, Kelly. Great Discoveries: An Amazing Journey Through Space and Time. New York: Time, 2001.

Cita MLA (9th ed.)

Knauer, Kelly. Great Discoveries: An Amazing Journey Through Space and Time. Time, 2001.