Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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