Cita APA (7a ed.)

Madariaga, S. d., & Quint, C. (1969). Charles Quint. Albin Michel.

Cita Chicago Style (17a ed.)

Madariaga, Salvador de, y Charles Quint. Charles Quint. Paris: Albin Michel, 1969.

Cita MLA (9a ed.)

Madariaga, Salvador de, y Charles Quint. Charles Quint. Albin Michel, 1969.