APA (7th ed.) Citation

Vernon, P. E. (1969). Intelligence and cultural environment / Philip E. Vernon. Methuen.

Chicago Style (17th ed.) Citation

Vernon, Philip E. Intelligence and Cultural Environment / Philip E. Vernon. London: Methuen, 1969.

MLA (9th ed.) Citation

Vernon, Philip E. Intelligence and Cultural Environment / Philip E. Vernon. Methuen, 1969.

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