APA Edition Citation

Vernon, P. E. (1979). Intelligence: Heredity and environment. W . H Freeman and Company.

Chicago Edition Citation

Vernon, Philip E. Intelligence: Heredity and Environment. Sanfrancisco: W . H Freeman and Company, 1979.

MLA Edition Citation

Vernon, Philip E. Intelligence: Heredity and Environment. W . H Freeman and Company, 1979.

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