APA (7th ed.) Citation

Angell, C. How Christians came to pray together for unity. Graymoor Ecumenical Institute.

Chicago Style (17th ed.) Citation

Angell, Charles. How Christians Came to Pray Together for Unity. Garrison, N.Y.: Graymoor Ecumenical Institute.

MLA (8th ed.) Citation

Angell, Charles. How Christians Came to Pray Together for Unity. Graymoor Ecumenical Institute.

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