Print reference sources. : A selected bibliography 18th - 20th centuries.

MLA

Mason, Lauris, and J Ludman. Print Reference Sources. : A Selected Bibliography 18th - 20th Centuries. Millwood, New York: Kto press, 1979.

APA

Mason, L., & Ludman, J. (1979). Print reference sources. : A selected bibliography 18th - 20th centuries. Millwood, New York: Kto press.

Chicago

Mason, Lauris, and J Ludman. Print Reference Sources. : A Selected Bibliography 18th - 20th Centuries. Millwood, New York: Kto press, 1979.