APA (7th ed.) Citation

Smith, G. V. (1989). Amos: A commentary. Regency Reference Library.

Chicago Style (17th ed.) Citation

Smith, Gary V. Amos: A Commentary. Grand Rapids, Mich.: Regency Reference Library, 1989.

MLA (9th ed.) Citation

Smith, Gary V. Amos: A Commentary. Regency Reference Library, 1989.