APA (7th ed.) Citation

Bonhams (Firm) & Bonhams & Butterfields. (2006). Fine books and manuscripts: Monday December 4, 2006 at 1pm, New York. Bonhams.

Chicago Style (17th ed.) Citation

Bonhams (Firm) and Bonhams & Butterfields. Fine Books and Manuscripts: Monday December 4, 2006 at 1pm, New York. New York, N.Y.: Bonhams, 2006.

MLA (9th ed.) Citation

Bonhams (Firm) and Bonhams & Butterfields. Fine Books and Manuscripts: Monday December 4, 2006 at 1pm, New York. Bonhams, 2006.