APA (7th ed.) Citation

Jex, W. W., Langer, M. E., & Langer, P. (1989). Basic English. Video Aided Instruction.

Chicago Style (17th ed.) Citation

Jex, William W., Mona E. Langer, and Peter Langer. Basic English. New York: Video Aided Instruction, 1989.

MLA (9th ed.) Citation

Jex, William W., et al. Basic English. Video Aided Instruction, 1989.