APA (7th ed.) Citation

Gardner, R. C., & Lambert, W. E. (1969). Attitudes and motivation in second-language learning. Newbury House Publ.

Chicago Style (17th ed.) Citation

Gardner, Robert C., and Wallace E. Lambert. Attitudes and Motivation in Second-language Learning. Rowley, Mass: Newbury House Publ, 1969.

MLA (9th ed.) Citation

Gardner, Robert C., and Wallace E. Lambert. Attitudes and Motivation in Second-language Learning. Newbury House Publ, 1969.