APA (7th ed.) Citation

Bergin, M. It's fun to draw knights and castles. Book House.

Chicago Style (17th ed.) Citation

Bergin, Mark. It's Fun to Draw Knights and Castles. Brighton: Book House.

MLA (9th ed.) Citation

Bergin, Mark. It's Fun to Draw Knights and Castles. Book House.

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