APA
White S. E., . (1940). The unobstructed universe. New York: E.P. Dutton & Co., Inc.
Chicago
White Stewart Edward, . 1940. The unobstructed universe. New York: E.P. Dutton & Co., Inc.
Harvard
White S. E., . (1940). The unobstructed universe. New York: E.P. Dutton & Co., Inc.
MLA
White Stewart Edward, . The unobstructed universe. New York: E.P. Dutton & Co., Inc. 1940.
