Cita APA (7a ed.)

Montalembert, C. F., & Dahlgren, M. V. (1861). Pius IX. and France: In 1849 and 1859. P. Donahoe.

Cita Chicago Style (17a ed.)

Montalembert, Charles Forbes, y Madeleine Vinton Dahlgren. Pius IX. and France: In 1849 and 1859. Boston: P. Donahoe, 1861.

Cita MLA (8a ed.)

Montalembert, Charles Forbes, y Madeleine Vinton Dahlgren. Pius IX. and France: In 1849 and 1859. P. Donahoe, 1861.