Barr, J. (1986). Quatrefoil: A novel / by James Barr. [Pseud.] (2. Auflage.). Alyson.
Citazione stile Chigago Style (17a edizione)Barr, James. Quatrefoil: A Novel / by James Barr. [Pseud.]. 2. Auflage. Boston, Mass.: Alyson, 1986.
Citatione MLA (8a ed.)Barr, James. Quatrefoil: A Novel / by James Barr. [Pseud.]. 2. Auflage. Alyson, 1986.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.