Sun, X. (1932). Sun Yuanru wai ji: [6 juan. Guo li Beiping tu shu guan.
Chicago Style (17th ed.) CitationSun, Xingyan. Sun Yuanru Wai Ji: [6 Juan. [Beiping]: Guo li Beiping tu shu guan, 1932.
MLA (9th ed.) CitationSun, Xingyan. Sun Yuanru Wai Ji: [6 Juan. Guo li Beiping tu shu guan, 1932.
Warning: These citations may not always be 100% accurate.