APA (7th ed.) Citation

Armstrong, R. S. (1979). Service Evangelism. The Westminster Press.

Chicago Style (17th ed.) Citation

Armstrong, Richard Stoll. Service Evangelism. The Westminster Press, 1979.

MLA (8th ed.) Citation

Armstrong, Richard Stoll. Service Evangelism. The Westminster Press, 1979.

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