Cita APA (7th ed.)
Humphreys, H. C. (1923). The Factors operating in the location of state normal schools.
Cita Chicago (17th ed.)
Humphreys, Harry Christopher. The Factors Operating in the Location of State Normal Schools. New York, 1923.
Cita MLA (9th ed.)
Humphreys, Harry Christopher. The Factors Operating in the Location of State Normal Schools. 1923.
Atenció: Aquestes cites poden no estar 100% correctes.