Cita APA (7a ed.)

Williams, W. E. (1977). A book of English essays. Penguin Books.

Cita Chicago Style (17a ed.)

Williams, William Emrys. A Book of English Essays. Middlesex: Penguin Books, 1977.

Cita MLA (8a ed.)

Williams, William Emrys. A Book of English Essays. Penguin Books, 1977.