APA Style

Nicolson, H. (1946). The Congress of Vienna : a study in allied unity : 1812-1822 / Harold Nicolson (1). New York: Harcourt Brace Jovanovich ..

MLA Style

Nicolson, Harold. "The Congress of Vienna : a study in allied unity : 1812-1822 / Harold Nicolson". 1 New York: Harcourt Brace Jovanovich ., 1946. Textbook ห้องสมุดทั่วไป.