From opium fiend to preacher :
the story of Cheng Ting Chiah /
By A. P. Quirmbach, for ten years a missionary in China.

APA Citation

Quirmbach, A. P., Young People's Forward Movement. (1907). From opium fiend to preacher: the story of Cheng Ting Chiah. Toronto: Musson Book Co. for the Young People's Forward Movement for Missions.

MLA Citation

Quirmbach, A. P, and Young People's Forward Movement. From Opium Fiend to Preacher: the Story of Cheng Ting Chiah. Toronto: Musson Book Co. for the Young People's Forward Movement for Missions, 1907.

Warning: These citations may not always be complete (especially for serials).