Cita APA (7th ed.)
Brinton, C. C., & Wolff, R. L. (1969). Sources of civilization in the West. Prentice-Hall.
Cita Chicago (17th ed.)
Brinton, Clarence Crane, i Robert Lee Wolff. Sources of Civilization in the West. Englewood Cliffs, N.J: Prentice-Hall, 1969.
Cita MLA (9th ed.)
Brinton, Clarence Crane, i Robert Lee Wolff. Sources of Civilization in the West. Prentice-Hall, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.