APA (7th ed.) Citation

Van der Eyken, W. (1967). The pre-school years. Penguin.

Chicago Style (17th ed.) Citation

Van der Eyken, Willem. The Pre-school Years. Harmondsworth: Penguin, 1967.

MLA (8th ed.) Citation

Van der Eyken, Willem. The Pre-school Years. Penguin, 1967.

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