APA

Helmstetter S., . (1988). The self-talk solution. New York: Pocket Books.

Chicago

Helmstetter Shad, . 1988. The self-talk solution. New York: Pocket Books.

Harvard

Helmstetter S., . (1988). The self-talk solution. New York: Pocket Books.

MLA

Helmstetter Shad, . The self-talk solution. New York: Pocket Books. 1988.