Citação norma APA

Pius XI, P., & Loeffler, J. D. (1938). Directives for Catholic action: Expounded by Pope Pius XI ; with indulgences for those enrolled in Catholic action. Central Bureau Press.

Citação norma Chicago

Pius XI, Pope, and James D. Loeffler. Directives for Catholic Action: Expounded by Pope Pius XI ; with Indulgences for Those Enrolled in Catholic Action. St. Louis, Mo.: Central Bureau Press, 1938.

Citação norma MLA

Pius XI, Pope, and James D. Loeffler. Directives for Catholic Action: Expounded by Pope Pius XI ; with Indulgences for Those Enrolled in Catholic Action. Central Bureau Press, 1938.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.