Cita APA (7th ed.)

Frankel, R. P. (2007). Observing America: The commentary of British visitors to the United States, 1890-1950. University of Wisconsin Press.

Cita Chicago (17th ed.)

Frankel, Robert Perry. Observing America: The Commentary of British Visitors to the United States, 1890-1950. Madison, Wis.: University of Wisconsin Press, 2007.

Cita MLA (9th ed.)

Frankel, Robert Perry. Observing America: The Commentary of British Visitors to the United States, 1890-1950. University of Wisconsin Press, 2007.