Цитирование APA (7-е изд.)
Hawley, E. W. (1981). Herbert Hoover as secretary of commerce: Studies in New Era thought and practice. University of Iowa.
Цитирование в стиле Чикаго (17-е изд.)
Hawley, Elis W. Herbert Hoover as Secretary of Commerce: Studies in New Era Thought and Practice. IOWA: University of Iowa, 1981.
Цитирование MLA (9-е изд.)
Hawley, Elis W. Herbert Hoover as Secretary of Commerce: Studies in New Era Thought and Practice. University of Iowa, 1981.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.