Cita APA (7a ed.)

Schaars, M. A. (1971). Cooperatives, principles and practices. University of Wisconsin-Extension [etc.].

Cita Chicago Style (17a ed.)

Schaars, Marvin A. Cooperatives, Principles and Practices. Madison [etc.]: University of Wisconsin-Extension [etc.], 1971.

Cita MLA (9a ed.)

Schaars, Marvin A. Cooperatives, Principles and Practices. University of Wisconsin-Extension [etc.], 1971.