APA (7th ed.) Citation

Der Ling, P. (1912). Two Years in the forbidden City. Unwin.

Chicago Style (17th ed.) Citation

Der Ling, Princess. Two Years in the Forbidden City. London, Leipsic: Unwin, 1912.

MLA (9th ed.) Citation

Der Ling, Princess. Two Years in the Forbidden City. Unwin, 1912.

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