APA (7th ed.) Citation

杨勇著. (2017). 纸世界. 知识出版社.

Chicago Style (17th ed.) Citation

杨勇著. 纸世界. 知识出版社, 2017.

MLA (8th ed.) Citation

杨勇著. 纸世界. 知识出版社, 2017.

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