（美）冲本著；（美）崔梅尔绘；张婷婷译. 北极熊拯救家园. 未来出版社.
Chicago Style (17th ed.) Citation（美）冲本著；（美）崔梅尔绘；张婷婷译. 北极熊拯救家园. 未来出版社.
MLA (8th ed.) Citation（美）冲本著；（美）崔梅尔绘；张婷婷译. 北极熊拯救家园. 未来出版社.
Warning: These citations may not always be 100% accurate.
APA (7th ed.) Citation