APA (7th ed.) Citation

Heart, R. o. t. S. (1965). The Open Door, Centennial Edition, 1865-1965. Philadelphia.

Chicago Style (17th ed.) Citation

Heart, Religious of the Sacred. The Open Door, Centennial Edition, 1865-1965. Philadelphia, 1965.

MLA (8th ed.) Citation

Heart, Religious of the Sacred. The Open Door, Centennial Edition, 1865-1965. Philadelphia, 1965.

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