APA (7th ed.) Citation

LAFFEY, J. L. (1973). Language differences: Do they inerfere? International Reading Association.

Chicago Style (17th ed.) Citation

LAFFEY, James L. Language Differences: Do They Inerfere? International Reading Association, 1973.

MLA (8th ed.) Citation

LAFFEY, James L. Language Differences: Do They Inerfere? International Reading Association, 1973.

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