Cita APA (7a ed.)
Ferguson, D. (1998). The great commandment principle. Tyndale.
Cita Chicago Style (17a ed.)
Ferguson, David. The Great Commandment Principle. Wheaton: Tyndale, 1998.
Cita MLA (9a ed.)
Ferguson, David. The Great Commandment Principle. Tyndale, 1998.
Precaución: Estas citas no son 100% exactas.