APA
Yep L., . (1993). American dragons. New York: HarperCollins.
Chicago
Yep Laurence, . 1993. American dragons. New York: HarperCollins.
Harvard
Yep L., . (1993). American dragons. New York: HarperCollins.
MLA
Yep Laurence, . American dragons. New York: HarperCollins. 1993.