Cita APA (7a ed.)

(1986). Sheppard's book dealers in North America: A directory of antiquarian and secondhand book dealers in the U.S.A. and Canada : 1986-87 (10th ed.). Europa.

Cita Chicago Style (17a ed.)

Sheppard's Book Dealers in North America: A Directory of Antiquarian and Secondhand Book Dealers in the U.S.A. and Canada : 1986-87. 10th ed. London: Europa, 1986.

Cita MLA (9a ed.)

Sheppard's Book Dealers in North America: A Directory of Antiquarian and Secondhand Book Dealers in the U.S.A. and Canada : 1986-87. 10th ed. Europa, 1986.