APA (7th ed.) Citation

Shenk, W. R. (1999). Changing frontiers of mission. Orbis Books.

Chicago Style (17th ed.) Citation

Shenk, Wilbert R. Changing Frontiers of Mission. Maryknoll, N.Y.: Orbis Books, 1999.

MLA (8th ed.) Citation

Shenk, Wilbert R. Changing Frontiers of Mission. Orbis Books, 1999.