APA (7th ed.) Citation

Whitman, R. L. (1969). Interference in language learning: A theory of contrastive analysis with examples from Japanese and English. University of Pennsylvania.

Chicago Style (17th ed.) Citation

Whitman, Randal Loring. Interference in Language Learning: A Theory of Contrastive Analysis with Examples from Japanese and English. Philadelphia: University of Pennsylvania, 1969.

MLA (8th ed.) Citation

Whitman, Randal Loring. Interference in Language Learning: A Theory of Contrastive Analysis with Examples from Japanese and English. University of Pennsylvania, 1969.