Cita APA (7a ed.)

(1968). Book dealers in North America: A directory of dealers in secondhand and antiquarian books in Canada and the United States of America (1968-70, 5th ed.). Sheppard.

Cita Chicago Style (17a ed.)

Book Dealers in North America: A Directory of Dealers in Secondhand and Antiquarian Books in Canada and the United States of America. 1968-70, 5th ed. London: Sheppard, 1968.

Cita MLA (9a ed.)

Book Dealers in North America: A Directory of Dealers in Secondhand and Antiquarian Books in Canada and the United States of America. 1968-70, 5th ed. Sheppard, 1968.

Precaución: Estas citas no son 100% exactas.