APA (7th ed.) Zitazioa
Brunner, E. d. S., Sanders, I. T., & Ensminger, D. (1947). Farmers of the world: The development of agricultural extension. Columbia Univ.Press.
Chicago Style (17th ed.) Zitazioa
Brunner, Edmund de S., Irwin T. Sanders, eta Douglas Ensminger. Farmers of the World: The Development of Agricultural Extension. New York: Columbia Univ.Press, 1947.
MLA (9th ed.) Zitazioa
Brunner, Edmund de S., et al. Farmers of the World: The Development of Agricultural Extension. Columbia Univ.Press, 1947.
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