Cita APA (7th ed.)

Setton, k. M., & Winkler, H. R. (1954). Great problems in European civilization. Prentice-Hall.

Cita Chicago (17th ed.)

Setton, kenneth M., i Henry R. Winkler. Great Problems in European Civilization. New York: Prentice-Hall, 1954.

Cita MLA (9th ed.)

Setton, kenneth M., i Henry R. Winkler. Great Problems in European Civilization. Prentice-Hall, 1954.