APA

Williams H. L., . (1958). Fantastic South America: continent of the future. New York: Horizon Press.

Chicago

Williams Henry Lionel, . 1958. Fantastic South America: continent of the future. New York: Horizon Press.

Harvard

Williams H. L., . (1958). Fantastic South America: continent of the future. New York: Horizon Press.

MLA

Williams Henry Lionel, . Fantastic South America: continent of the future. New York: Horizon Press. 1958.