Cita APA (7th ed.)

Heidhues, T., Haen, H. d., Johnson, G. L., & Tangermann, S. (1985). Agriculture and international relations: Analysis and policy : essays in memory of Theodor Heidhues. St. Martin's Press.

Cita Chicago (17th ed.)

Heidhues, Theodor, Hartwig de Haen, Glenn Leroy Johnson, i Stefan Tangermann. Agriculture and International Relations: Analysis and Policy : Essays in Memory of Theodor Heidhues. New York: St. Martin's Press, 1985.

Cita MLA (9th ed.)

Heidhues, Theodor, et al. Agriculture and International Relations: Analysis and Policy : Essays in Memory of Theodor Heidhues. St. Martin's Press, 1985.