Cita APA (7a ed.)

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

Cita Chicago Style (17a 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 (8a ed.)

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