Dyfyniad APA

Mumford, L., & Van Loon, H. W. (1923). The story of Utopias (2nd ed.). New York: Boni and Liveright.

Dyfyniad Arddull Chicago

Mumford, Lewis, και Hendrik Willem Van Loon. The Story of Utopias. 2nd ed. New York: Boni and Liveright, 1923.

Dyfyniad MLA

Mumford, Lewis, και Hendrik Willem Van Loon. The Story of Utopias. 2nd ed. New York: Boni and Liveright, 1923.

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