APA引文

Sotheby & Co. (London, England), Xerox University Microfilms, & Sotheby Parke-Bernet Publications. (1973). Catalogues of sales: A guide to the microfilm collection. Xerox University Microfilms.

Chicago Style (17th ed.) Citation

Sotheby & Co. (London, England), Xerox University Microfilms, and Sotheby Parke-Bernet Publications. Catalogues of Sales: A Guide to the Microfilm Collection. Ann Arbor, MI: Xerox University Microfilms, 1973.

MLA引文

Sotheby & Co. (London, England), et al. Catalogues of Sales: A Guide to the Microfilm Collection. Xerox University Microfilms, 1973.