Cita APA (7th ed.)

Clark, E. B. (1891). Twelve months in Peru (1a. ed.). T. Fisher Unwin.

Cita Chicago (17th ed.)

Clark, E. B. Twelve Months in Peru. 1a. ed. Londres: T. Fisher Unwin, 1891.

Cita MLA (9th ed.)

Clark, E. B. Twelve Months in Peru. 1a. ed. T. Fisher Unwin, 1891.