Cita APA (7a ed.)

Obrebski, J., Halpern, B., & Halpern, J. (1976). The changing peasantry of Eastern Europe. Schenkman Pub.

Cita Chicago Style (17a ed.)

Obrebski, Josef, Barbara Halpern, y Joel Halpern. The Changing Peasantry of Eastern Europe. Cambridge, Mass: Schenkman Pub, 1976.

Cita MLA (9a ed.)

Obrebski, Josef, et al. The Changing Peasantry of Eastern Europe. Schenkman Pub, 1976.