APA

Guest J., . (1983). In search of certainty. Ventura, CA, U.S.A: Regal Books.

Chicago

Guest John, . 1983. In search of certainty. Ventura, CA, U.S.A: Regal Books.

Harvard

Guest J., . (1983). In search of certainty. Ventura, CA, U.S.A: Regal Books.

MLA

Guest John, . In search of certainty. Ventura, CA, U.S.A: Regal Books. 1983.