Cita APA (7a ed.)

Krutch, J. W. (1957). The american drama since 1918. George Braziller.

Cita Chicago Style (17a ed.)

Krutch, Joseph Wood. The American Drama Since 1918. New York: George Braziller, 1957.

Cita MLA (8a ed.)

Krutch, Joseph Wood. The American Drama Since 1918. George Braziller, 1957.