APA (7th ed.) Citation

Heasley, B. E., & Grosklos, J. R. (1980). Programmed language and speech correction through perceptual activities. Thomas.

Chicago Style (17th ed.) Citation

Heasley, Bernice E., and Jacqueline R. Grosklos. Programmed Language and Speech Correction Through Perceptual Activities. Springfield: Thomas, 1980.

MLA (9th ed.) Citation

Heasley, Bernice E., and Jacqueline R. Grosklos. Programmed Language and Speech Correction Through Perceptual Activities. Thomas, 1980.