MLA

Lehar, Franz Christian. Gold and Silver = L'or Et L'argent. London ; Paris: Hawkes & Son, 1903.

APA

Lehar, F. Christian. (1903). Gold and Silver = l'Or et l'Argent. London ; Paris: Hawkes & Son.

Chicago

Lehar, Franz Christian Gold and Silver = L'or Et L'argent. London ; Paris: Hawkes & Son, 1903.