APA (7th ed.) Citation

Osborne, W., Osborne, M. P., & Murdocca, S. (2000). Knights and castles: A nonfiction companion to The knight at dawn. Random House.

Chicago Style (17th ed.) Citation

Osborne, Will, Mary Pope Osborne, and Sal Murdocca. Knights and Castles: A Nonfiction Companion to The Knight at Dawn. New York: Random House, 2000.

MLA (8th ed.) Citation

Osborne, Will, et al. Knights and Castles: A Nonfiction Companion to The Knight at Dawn. Random House, 2000.

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