APA Style

Warner, G, C., Gehr, M. (1989). Surprise Island (The Boxcar Children Mysteries) . New York, USA: Random House Books for Young Readers.

MLA Style

Warner, Gertrude, Chandler., Gehr, Mary. "Surprise Island (The Boxcar Children Mysteries)". New York, USA: Random House Books for Young Readers, 1989. Text.