Cita APA (7th ed.)

Robinson, A. G. (1899). The Porto Rico of to-day: Pen pictures of the people and the country. C. Scribner's sons.

Cita Chicago (17th ed.)

Robinson, Albert Gardner. The Porto Rico of To-day: Pen Pictures of the People and the Country. New York: C. Scribner's sons, 1899.

Cita MLA (9th ed.)

Robinson, Albert Gardner. The Porto Rico of To-day: Pen Pictures of the People and the Country. C. Scribner's sons, 1899.