APA (7th ed.) Citation

Chadwick, O. (1975). 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 1975.

MLA (8th ed.) Citation

Chadwick, Owen. "The Secularization of the European Mind in the Nineteenth Century." The Gifford Lectures, 1975.

Warning: These citations may not always be 100% accurate.