APA (7th ed.) Citation

Wolfram, W., & Johnson, R. (1982). Phonological analysis focus on American English (1a. ed.). Prentice Hall.

Chicago Style (17th ed.) Citation

Wolfram, Walt, and Robert Johnson. Phonological Analysis Focus on American English. 1a. ed. Upper Saddle River: Prentice Hall, 1982.

MLA (9th ed.) Citation

Wolfram, Walt, and Robert Johnson. Phonological Analysis Focus on American English. 1a. ed. Prentice Hall, 1982.