Cita APA (7th ed.)

Amann, P. H. (1967). The modern world, 1650-1850. McGraw-Hill.

Cita Chicago (17th ed.)

Amann, Peter H. The Modern World, 1650-1850. New York: McGraw-Hill, 1967.

Cita MLA (9th ed.)

Amann, Peter H. The Modern World, 1650-1850. McGraw-Hill, 1967.