APA (7th ed.) Citation

Chadwick, O. (1977). The secularization of the European mind in the nineteenth century The Gifford lectures.

Chicago Style (17th ed.) Citation

Chadwick, Owen. "The Secularization of the European Mind in the Nineteenth Century." The Gifford Lectures 1977.

MLA (9th ed.) Citation

Chadwick, Owen. "The Secularization of the European Mind in the Nineteenth Century." The Gifford Lectures, 1977.