Cita APA (7a ed.)

O'Donovan, M. (1969). A set of variations: Twenty-seven stories. Knopf.

Cita Chicago Style (17a ed.)

O'Donovan, Michael. A Set of Variations: Twenty-seven Stories. New York: Knopf, 1969.

Cita MLA (9a ed.)

O'Donovan, Michael. A Set of Variations: Twenty-seven Stories. Knopf, 1969.