Style de citation APA (7e éd.)

Hennings, D. G. (1974). Smiles, nods, and pauses: Activities to enrich children's communication skills. Citation Press.

Style de citation Chicago (17e éd.)

Hennings, Dorothy Grant. Smiles, Nods, and Pauses: Activities to Enrich Children's Communication Skills. New York: Citation Press, 1974.

Style de citation MLA (9e éd.)

Hennings, Dorothy Grant. Smiles, Nods, and Pauses: Activities to Enrich Children's Communication Skills. Citation Press, 1974.