Cita APA (7a ed.)

Beaver, H. (1961). American critical essays: : twentieth century. Oxford University Press.

Cita Chicago Style (17a ed.)

Beaver, Harold. American Critical Essays: : Twentieth Century. London: Oxford University Press, 1961.

Cita MLA (9a ed.)

Beaver, Harold. American Critical Essays: : Twentieth Century. Oxford University Press, 1961.