APA (7th ed.) Citation

ProQuest (Firm), Gass, S. M., & Selinker, L. (1993). Language transfer in language learning (Rev. ed.). John Benjamins Pub. Co..

Chicago Style (17th ed.) Citation

ProQuest (Firm), Susan M. Gass, and Larry Selinker. Language Transfer in Language Learning. Rev. ed. Amsterdam ; Philadelphia: John Benjamins Pub. Co., 1993.

MLA (9th ed.) Citation

ProQuest (Firm), et al. Language Transfer in Language Learning. Rev. ed. John Benjamins Pub. Co., 1993.