APA (7th ed.) Citation

Speer, R. E. (1915). South American problems (3rd ed.). Student Volunteer Movement for Foreign Missions.

Chicago Style (17th ed.) Citation

Speer, Robert E. South American Problems. 3rd ed. New York: Student Volunteer Movement for Foreign Missions, 1915.

MLA (9th ed.) Citation

Speer, Robert E. South American Problems. 3rd ed. Student Volunteer Movement for Foreign Missions, 1915.

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