The hidden dimension

MLA

Hall, Edward Twitchell. The Hidden Dimension. Garden City, N.Y.: Doubleday, 1969.

APA

Hall, E. Twitchell. (1969). The hidden dimension. Garden City, N.Y.: Doubleday.

Chicago

Hall, Edward Twitchell, The Hidden Dimension. Garden City, N.Y.: Doubleday, 1969.