APA (7th ed.) Citation

ProQuest (Firm), Hoffmann, C., & Ytsma, J. (2004). Trilingualism in family, school, and community. Multilingual Matters.

Chicago Style (17th ed.) Citation

ProQuest (Firm), Charlotte Hoffmann, and Jehannes Ytsma. Trilingualism in Family, School, and Community. Clevedon [Eng.] ; Buffalo: Multilingual Matters, 2004.

MLA (9th ed.) Citation

ProQuest (Firm), et al. Trilingualism in Family, School, and Community. Multilingual Matters, 2004.