APA (7th ed.) Citation

Clark, R. C. (1987). Language teaching techniques (2nd, rev. ed.). Pro Lingua Associates.

Chicago Style (17th ed.) Citation

Clark, Raymond C. Language Teaching Techniques. 2nd, rev. ed. Brattleboro, Vt: Pro Lingua Associates, 1987.

MLA (9th ed.) Citation

Clark, Raymond C. Language Teaching Techniques. 2nd, rev. ed. Pro Lingua Associates, 1987.