APA (7th ed.) Citation

Tryon, A. F. (1968). THUMB-SUCKING AND MANIFEST ANXIETY: A NOTE. Child Development, 39(4), 1159. https://doi.org/10.2307/1127280

Chicago Style (17th ed.) Citation

Tryon, Ames F. "THUMB-SUCKING AND MANIFEST ANXIETY: A NOTE." Child Development 39, no. 4 (1968): 1159. https://doi.org/10.2307/1127280.

MLA (9th ed.) Citation

Tryon, Ames F. "THUMB-SUCKING AND MANIFEST ANXIETY: A NOTE." Child Development, vol. 39, no. 4, 1968, p. 1159, https://doi.org/10.2307/1127280.