Cita APA (7a ed.)
Piaget, J., Tomlinson, A., & Tomlinson, J. (1976). The child's conception of the world.
Cita estilo Chicago (17a ed.)
Piaget, Jean, Andrew Tomlinson, y Joan Tomlinson. The Child's Conception of the World. 1976.
Cita MLA (9a ed.)
Piaget, Jean, et al. The Child's Conception of the World. 1976.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.