Citazione Stile APA (7a Edizione)

Lawhead, W. F. (2006). The philosophical journey: An interactive approach (3rd ed.). McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Lawhead, William F. The Philosophical Journey: An Interactive Approach. 3rd ed. Boston, MA: McGraw-Hill, 2006.

Citatione MLA (9a ed.)

Lawhead, William F. The Philosophical Journey: An Interactive Approach. 3rd ed. McGraw-Hill, 2006.