APA (7th ed.) Citation

Richterich, R., & Chancerel, J. (1977). Identifying the needs of adults learning a foreign language. Pergamon Press.

Chicago Style (17th ed.) Citation

Richterich, René, and Jean-Louis Chancerel. Identifying the Needs of Adults Learning a Foreign Language. Oxford: Pergamon Press, 1977.

MLA (9th ed.) Citation

Richterich, René, and Jean-Louis Chancerel. Identifying the Needs of Adults Learning a Foreign Language. Pergamon Press, 1977.