Cita APA (7a ed.)

Pellegrini, A. M. (1956). Americans by choice. MacMillan.

Cita Chicago Style (17a ed.)

Pellegrini, Angelo M. Americans by Choice. New York: MacMillan, 1956.

Cita MLA (9a ed.)

Pellegrini, Angelo M. Americans by Choice. MacMillan, 1956.