Cita APA

Gesell, A., & Ilg, F. L. (1919). Child development: An introduction to the study of human growth. Harper & Row.

Chicago Edition Citation

Gesell, Arnold, i Frances L. Ilg. Child Development: An Introduction to the Study of Human Growth. New York: Harper & Row, 1919.

Cita MLA

Gesell, Arnold, i Frances L. Ilg. Child Development: An Introduction to the Study of Human Growth. Harper & Row, 1919.