APA (7th ed.) Citation

Hay, R., Lim, V., Blocher, D., Ketelarr, J., Hay, S., & Taylor, D. W. (2007). Worth keeping: Global perspectives on best practice in missionary retention. William Carey Library.

Chicago Style (17th ed.) Citation

Hay, Rob, Valerie Lim, Detlef Blocher, Jaap Ketelarr, Sarah Hay, and D. Wiliam Taylor. Worth Keeping: Global Perspectives on Best Practice in Missionary Retention. Pasadena: William Carey Library, 2007.

MLA (9th ed.) Citation

Hay, Rob, et al. Worth Keeping: Global Perspectives on Best Practice in Missionary Retention. William Carey Library, 2007.