APA (7th ed.) Citation

Eddington, A. S. (2001). Defense of Mysticism. Quantum questions, 209-225.

Chicago Style (17th ed.) Citation

Eddington, Arthur Stanley. "Defense of Mysticism." Quantum Questions 2001: 209-225.

MLA (9th ed.) Citation

Eddington, Arthur Stanley. "Defense of Mysticism." Quantum Questions, 2001, pp. 209-225.