Cita APA (7th ed.)
Krutch, J. W. (1957). The american drama since 1.918: An informal history. G. Braziller.
Cita Chicago (17th ed.)
Krutch, Joseph Wood. The American Drama Since 1.918: An Informal History. New York: G. Braziller, 1957.
Cita MLA (9th ed.)
Krutch, Joseph Wood. The American Drama Since 1.918: An Informal History. G. Braziller, 1957.
Atenció: Aquestes cites poden no estar 100% correctes.