APA
Costello J., . (1988). Mask of treachery. New York: William Morrow and Company.
Chicago
Costello John, . 1988. Mask of treachery. New York: William Morrow and Company.
Harvard
Costello J., . (1988). Mask of treachery. New York: William Morrow and Company.
MLA
Costello John, . Mask of treachery. New York: William Morrow and Company. 1988.