Cita APA (7a ed.)
Speer, R. When Christianity was new. Fleming H. Revell Company..
Cita Chicago Style (17a ed.)
Speer, Robert. When Christianity Was New. New York: Fleming H. Revell Company..
Cita MLA (9a ed.)
Speer, Robert. When Christianity Was New. Fleming H. Revell Company..
Precaución: Estas citas no son 100% exactas.