Cita APA (7a ed.)

Wirthwein, W. G. (1935). Britain and the Balkan crisis 1875-1878. Columbia University.

Cita Chicago Style (17a ed.)

Wirthwein, Walter G. Britain and the Balkan Crisis 1875-1878. New York: Columbia University, 1935.

Cita MLA (9a ed.)

Wirthwein, Walter G. Britain and the Balkan Crisis 1875-1878. Columbia University, 1935.