Cita APA (7th ed.)

Budziszewski, J. (2009). The line through the heart: Natural law as fact, theory, and sign of contradiction. ISI Books.

Cita Chicago (17th ed.)

Budziszewski, J. The Line Through the Heart: Natural Law as Fact, Theory, and Sign of Contradiction. Wilmington, Delaware: ISI Books, 2009.

Cita MLA (9th ed.)

Budziszewski, J. The Line Through the Heart: Natural Law as Fact, Theory, and Sign of Contradiction. ISI Books, 2009.