APA (7th ed.) Citation

Heilbron, J. L. (1999). The sun in the church: Cathedrals as solar observatories. Harvard University Press.

Chicago Style (17th ed.) Citation

Heilbron, John L. The Sun in the Church: Cathedrals as Solar Observatories. Cambridge, Mass. London: Harvard University Press, 1999.

MLA (8th ed.) Citation

Heilbron, John L. The Sun in the Church: Cathedrals as Solar Observatories. Harvard University Press, 1999.