Cita APA (7a ed.)

Ergang, R. R. (1954). Europe since Waterloo. Heath.

Cita Chicago Style (17a ed.)

Ergang, Robert Reinhold. Europe Since Waterloo. Boston: Heath, 1954.

Cita MLA (9a ed.)

Ergang, Robert Reinhold. Europe Since Waterloo. Heath, 1954.