APA (7th ed.) Citation

Sauvy, J., & Sauvy, S. (1974). The child's discovery of space. Penguin Educaction.

Chicago Style (17th ed.) Citation

Sauvy, Jean, and Simonne Sauvy. The Child's Discovery of Space. Harmondsworth, Eng.: Penguin Educaction, 1974.

MLA (9th ed.) Citation

Sauvy, Jean, and Simonne Sauvy. The Child's Discovery of Space. Penguin Educaction, 1974.

Warning: These citations may not always be 100% accurate.