MLA

Bragdon, Claude Fayette. A Primer of Higher Space : the Fourth Dimension, to Which Is Added, Man the Square, a Higher Space Parable. 2d. rev. ed. New York: Knopf, 1923.

APA

Bragdon, C. Fayette. (1923). A primer of higher space : the fourth dimension, to which is added, Man the square, a higher space parable. 2d. rev. ed. New York: Knopf.

Chicago

Bragdon, Claude Fayette, A Primer of Higher Space: The Fourth Dimension, to Which Is Added, Man the Square, a Higher Space Parable. 2d. rev. ed. New York: Knopf, 1923.