APA (7th ed.) Citation

Simmel, G. (1997). Religion and the Great Forms of Existence. Essays on religion, 137-155.

Chicago Style (17th ed.) Citation

Simmel, Georg. "Religion and the Great Forms of Existence." Essays on Religion 1997: 137-155.

MLA (9th ed.) Citation

Simmel, Georg. "Religion and the Great Forms of Existence." Essays on Religion, 1997, pp. 137-155.

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