Cita APA (7a ed.)

Greenewalt, C. (1955). El hombre excepcional. FREEDOM FUND LIBRARY SERIES.

Cita Chicago Style (17a ed.)

Greenewalt, Crawford. El Hombre Excepcional. New York: FREEDOM FUND LIBRARY SERIES, 1955.

Cita MLA (8a ed.)

Greenewalt, Crawford. El Hombre Excepcional. FREEDOM FUND LIBRARY SERIES, 1955.