APA

Pastor L. f. v., . (19381953). The history of the Popes: from the close of the middle ages, drawn from the secret archives of the Vatican and other original sources. Saint Louis, Mo: Herder.

Chicago

Pastor Ludwig freiherr von, . 19381953. The history of the Popes: from the close of the middle ages, drawn from the secret archives of the Vatican and other original sources. Saint Louis, Mo: Herder.

Harvard

Pastor L. f. v., . (19381953). The history of the Popes: from the close of the middle ages, drawn from the secret archives of the Vatican and other original sources. Saint Louis, Mo: Herder.

MLA

Pastor Ludwig freiherr von, . The history of the Popes: from the close of the middle ages, drawn from the secret archives of the Vatican and other original sources. Saint Louis, Mo: Herder. 19381953.