APA (7th ed.) Citation

快乐精灵: 忧愁国历险(下篇). 21世纪.

Chicago Style (17th ed.) Citation

快乐精灵: 忧愁国历险(下篇). 21世纪.

MLA (8th ed.) Citation

快乐精灵: 忧愁国历险(下篇). 21世纪.

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