APA Цитирование

Heady, E. O. (1970). Economic development of agriculture: The modernization of farming. IOWA state university press.

Chicago-стиль цитирования

Heady, Earl O. Economic Development of Agriculture: The Modernization of Farming. Ames: IOWA state university press, 1970.

MLA-цитирование

Heady, Earl O. Economic Development of Agriculture: The Modernization of Farming. IOWA state university press, 1970.

Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.