Cita APA (7th ed.)

Bigsby, C. (1982). A critical introduction to twentieth-century American drama. C.U.Pr..

Cita Chicago (17th ed.)

Bigsby, C.W.E. A Critical Introduction to Twentieth-century American Drama. Cambridge: C.U.Pr., 1982.

Cita MLA (9th ed.)

Bigsby, C.W.E. A Critical Introduction to Twentieth-century American Drama. C.U.Pr., 1982.