Cita APA (7th ed.)

Barth, J. (1994). Once upon a time: A floating opera. Little, Brown.

Cita Chicago (17th ed.)

Barth, John. Once upon a Time: A Floating Opera. Boston: Little, Brown, 1994.

Cita MLA (9th ed.)

Barth, John. Once upon a Time: A Floating Opera. Little, Brown, 1994.