APA

Peterfreund S. P., . (1959). An introduction to American philosophy. New York: Odussey Press.

Chicago

Peterfreund Sheldon P, . 1959. An introduction to American philosophy. New York: Odussey Press.

Harvard

Peterfreund S. P., . (1959). An introduction to American philosophy. New York: Odussey Press.

MLA

Peterfreund Sheldon P, . An introduction to American philosophy. New York: Odussey Press. 1959.