Sui Yangdi yan shi : 40 hui / Qidongyeren bian yan ; Bujingxiansheng pi ping
MLA
Bujingxiansheng, Qidongyeren. Sui Yangdi Yan Shi : 40 Hui / Qidongyeren Bian Yan ; Bujingxiansheng Pi Ping. 0AD. https://collections.library.yale.edu/catalog/2035799.
APA, 6th edition
Bujingxiansheng, Q. (0 C.E.). Sui Yangdi yan shi : 40 hui / Qidongyeren bian yan ; Bujingxiansheng pi ping [Block books, Chops (printers' marks), Woodcuts]. https://collections.library.yale.edu/catalog/2035799.