Cita APA (7a ed.)
Krug, E. A. (1964). The shaping of the American high school.
Cita estilo Chicago (17a ed.)
Krug, Edward August. The Shaping of the American High School. 1964.
Cita MLA (9a ed.)
Krug, Edward August. The Shaping of the American High School. 1964.
Precaución: Estas citas no son 100% exactas.