Kovels' American silver marks

MLA

Kovel, Ralph M., Terry H. Kovel and Gotham Book Mart Collection (University of Pennsylvania). Kovels' American silver marks. First edition. New York : Crown Publishers, [1989]

APA

Kovel, R., Kovel, T. & Gotham Book Mart Collection (University of Pennsylvania). (1989). Kovels' American silver marks. First edition. New York : Crown Publishers.

Chicago

Kovel, Ralph M., Terry H. Kovel and Gotham Book Mart Collection (University of Pennsylvania). Kovels' American silver marks. First edition. New York : Crown Publishers, [1989]