APA (7th ed.) Citation

Grittner, F. M., & LaLeike, F. H. (1973). Individualized foreign language instruction. National Textbook.

Chicago Style (17th ed.) Citation

Grittner, Frank M., and Fred H. LaLeike. Individualized Foreign Language Instruction. Skokie, Ill: National Textbook, 1973.

MLA (9th ed.) Citation

Grittner, Frank M., and Fred H. LaLeike. Individualized Foreign Language Instruction. National Textbook, 1973.