Cita APA

Foulke, R. A. 1., & Foulke, R. A. 1. (1941). The Sinews of American commerce. Brooklyn, N.Y.: Dun Bradstreet.

Citación estilo Chicago

Foulke, Roy Anderson 1896, y Roy Anderson 1896 Foulke. The Sinews of American Commerce. Brooklyn, N.Y.: Dun Bradstreet, 1941.

Cita MLA

Foulke, Roy Anderson 1896, y Roy Anderson 1896 Foulke. The Sinews of American Commerce. Brooklyn, N.Y.: Dun Bradstreet, 1941.