APA (7th ed.) Citation

Royce, J. (1913). The Problem of Christianity. The MacMillan Company.

Chicago Style (17th ed.) Citation

Royce, Josiah. The Problem of Christianity. The MacMillan Company, 1913.

MLA (8th ed.) Citation

Royce, Josiah. The Problem of Christianity. The MacMillan Company, 1913.

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