Grube, W. (1915). Yen-ying-chi. Tien-chu-chiao-yin-shu-chü.
Chicago Style (17th ed.) CitationGrube, Wilhelm. Yen-ying-chi. Yen-chou-fu: Tien-chu-chiao-yin-shu-chü, 1915.
MLA (9th ed.) CitationGrube, Wilhelm. Yen-ying-chi. Tien-chu-chiao-yin-shu-chü, 1915.
Warning: These citations may not always be 100% accurate.