APA (7th ed.) Citation

Ballou, E. H. (1940). Dangerous opportunity: The Christian mission in China today. Friendship Pr.

Chicago Style (17th ed.) Citation

Ballou, Earle H. Dangerous Opportunity: The Christian Mission in China Today. New York: Friendship Pr, 1940.

MLA (9th ed.) Citation

Ballou, Earle H. Dangerous Opportunity: The Christian Mission in China Today. Friendship Pr, 1940.

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