APA (7th ed.) Citation

Barbour, H., & Frost, J. W. (1988). The Quakers. Denominations in America.

Chicago Style (17th ed.) Citation

Barbour, Hugh, and Jerry W. Frost. "The Quakers." Denominations in America 1988.

MLA (8th ed.) Citation

Barbour, Hugh, and Jerry W. Frost. "The Quakers." Denominations in America, 1988.