APA (7th ed.) Citation

Vos, B. J. (1914). Essentials of German (4th ed.). H. Holt and company.

Chicago Style (17th ed.) Citation

Vos, Bert John. Essentials of German. 4th ed. New York: H. Holt and company, 1914.

MLA (9th ed.) Citation

Vos, Bert John. Essentials of German. 4th ed. H. Holt and company, 1914.