APA (7th ed.) Citation

Piaget, J., Tomlinson, A., & Tomlinson, J. (1960). The child's conception of the world. Littlefield.

Chicago Style (17th ed.) Citation

Piaget, Jean, Andrew Tomlinson, and Joan Tomlinson. The Child's Conception of the World. Paterson, N. J: Littlefield, 1960.

MLA (9th ed.) Citation

Piaget, Jean, et al. The Child's Conception of the World. Littlefield, 1960.