Shapp, M., & Shapp, C. (1961). Let's find out what's in the sky. Franklin Watts.
Style de citation Chicago (17e éd.)Shapp, Martha, et C. Shapp. Let's Find Out What's in the Sky. New York: Franklin Watts, 1961.
Style de citation MLA (9e éd.)Shapp, Martha, et C. Shapp. Let's Find Out What's in the Sky. Franklin Watts, 1961.
Attention : ces citations peuvent ne pas être correctes à 100%.