APA Style

Langley, A., Antram, D. (2000). You wouldn't want to be a Viking explorer : voyages you'd rather not make . New York, USA: Scholastic Inc.

MLA Style

Langley, Andrew., Antram, David. "You wouldn't want to be a Viking explorer : voyages you'd rather not make". New York, USA: Scholastic Inc, 2000. Text.