Citazione Stile APA (7a Edizione)
Hittinger, R. (2007). The first grace: Rediscovering the natural law in a post-Christian world (Paperback edition.). ISI Books.
Citazione stile Chigago Style (17a edizione)
Hittinger, Russell. The First Grace: Rediscovering the Natural Law in a Post-Christian World. Paperback edition. Wilmington, DE: ISI Books, 2007.
Citatione MLA (9a ed.)
Hittinger, Russell. The First Grace: Rediscovering the Natural Law in a Post-Christian World. Paperback edition. ISI Books, 2007.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.