APA (7th ed.) Citation

单士元著. (2018). 故宫旧档. 中国文史出版社.

Chicago Style (17th ed.) Citation

单士元著. 故宫旧档. 中国文史出版社, 2018.

MLA (8th ed.) Citation

单士元著. 故宫旧档. 中国文史出版社, 2018.

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