Boyer, P. S., & Dubofsky, M. (2001). The Oxford companion to United States history / editor in chief, Paul S. Boyer ; editors, Melvyn Dubofsky ... [et al.]. Oxford University Press.
Chicago Style (17th ed.) CitationBoyer, Paul S., and Melvyn Dubofsky. The Oxford Companion to United States History / Editor in Chief, Paul S. Boyer ; Editors, Melvyn Dubofsky ... [et Al.]. Oxford ; New York: Oxford University Press, 2001.
MLA (9th ed.) CitationBoyer, Paul S., and Melvyn Dubofsky. The Oxford Companion to United States History / Editor in Chief, Paul S. Boyer ; Editors, Melvyn Dubofsky ... [et Al.]. Oxford University Press, 2001.
Warning: These citations may not always be 100% accurate.