APA (7th ed.) Citation

Dickins, S. J. (1910). Grenfell of the Congo: Pioneer missionary and explorer (2d. ed.). Sunday School Union.

Chicago Style (17th ed.) Citation

Dickins, Shirley J. Grenfell of the Congo: Pioneer Missionary and Explorer. 2d. ed. London: Sunday School Union, 1910.

MLA (8th ed.) Citation

Dickins, Shirley J. Grenfell of the Congo: Pioneer Missionary and Explorer. 2d. ed. Sunday School Union, 1910.