APA (7th ed.) Citation

Riggs, T. (2015). Religions and denominations Worldmark encyclopedia of religious practices.

Chicago Style (17th ed.) Citation

Riggs, Thomas. "Religions and Denominations." Worldmark Encyclopedia of Religious Practices 2015.

MLA (8th ed.) Citation

Riggs, Thomas. "Religions and Denominations." Worldmark Encyclopedia of Religious Practices, 2015.

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