APA Style

Regniers, B, S, D., Montresor, B. (1989). May I bring a friend? . New York, USA: Aladdin Paperbacks.

MLA Style

Regniers, Beatrice, Schenk, De., Montresor, Beni. "May I bring a friend?". New York, USA: Aladdin Paperbacks, 1989. Text.