APA (7th ed.) Citation

Pear, Hoehner, & Baker. (1999). Explorers and discoverers: From Alexander the Great to Sally Ride (Vol.7.). The Gale Group.

Chicago Style (17th ed.) Citation

Pear, Hoehner, and Baker. Explorers and Discoverers: From Alexander the Great to Sally Ride. Vol.7. San Francisco: The Gale Group, 1999.

MLA (9th ed.) Citation

Pear, et al. Explorers and Discoverers: From Alexander the Great to Sally Ride. Vol.7. The Gale Group, 1999.

Warning: These citations may not always be 100% accurate.