Style de citation APA (7e éd.)
Johnstone, P. J. S. G. (1993). Operation world: A day-by-day guide to praying for the world. Zondervan Pub. House.
Style de citation Chicago (17e éd.)
Johnstone, Patrick J. St. G. Operation World: A Day-by-day Guide to Praying for the World. Grand Rapids, Mich.: Zondervan Pub. House, 1993.
Style de citation MLA (9e éd.)
Johnstone, Patrick J. St. G. Operation World: A Day-by-day Guide to Praying for the World. Zondervan Pub. House, 1993.
Attention : ces citations peuvent ne pas être correctes à 100%.