APA

Vincent P. N., . (1987). The power of positive thinking. New York: Fawcett Crest.

Chicago

Vincent Peale Norman, . 1987. The power of positive thinking. New York: Fawcett Crest.

Harvard

Vincent P. N., . (1987). The power of positive thinking. New York: Fawcett Crest.

MLA

Vincent Peale Norman, . The power of positive thinking. New York: Fawcett Crest. 1987.