APA

Spinello R. A., . (2012). The encyclicals of John Paul II: an introduction and commentary. Lanham, Md: Rowman & Littlefield Publishers.

Chicago

Spinello Richard A, . 2012. The encyclicals of John Paul II: an introduction and commentary. Lanham, Md: Rowman & Littlefield Publishers.

Harvard

Spinello R. A., . (2012). The encyclicals of John Paul II: an introduction and commentary. Lanham, Md: Rowman & Littlefield Publishers.

MLA

Spinello Richard A, . The encyclicals of John Paul II: an introduction and commentary. Lanham, Md: Rowman & Littlefield Publishers. 2012.