APA (7e ed.) Bronvermelding

Smith, T. L., & Zopf, P. E. (1970). Principles of inductive rural sociology. F. A. Davis Co..

Chicago (17e ed.) Bronvermelding

Smith, T. Lynn, en Paul E. Zopf. Principles of Inductive Rural Sociology. Philadelphia: F. A. Davis Co., 1970.

MLA (8e ed.) Bronvermelding

Smith, T. Lynn, en Paul E. Zopf. Principles of Inductive Rural Sociology. F. A. Davis Co., 1970.