Goyer, T. (2015). Prayers that changed history: From Christopher Columbus to Helen Keller, how God used 25 people to change the world. Zonderkidz.
Cita Chicago Style (17a ed.)Goyer, Tricia. Prayers That Changed History: From Christopher Columbus to Helen Keller, How God Used 25 People to Change the World. Grand Rapids, MI: Zonderkidz, 2015.
Cita MLA (8a ed.)Goyer, Tricia. Prayers That Changed History: From Christopher Columbus to Helen Keller, How God Used 25 People to Change the World. Zonderkidz, 2015.
Precaución: Estas citas no son 100% exactas.