APA (7th ed.) Citation

Ghéon, H. (1937). The secret of St. Margaret Mary. Sheed and Ward.

Chicago Style (17th ed.) Citation

Ghéon, Henri. The Secret of St. Margaret Mary. London: Sheed and Ward, 1937.

MLA (8th ed.) Citation

Ghéon, Henri. The Secret of St. Margaret Mary. Sheed and Ward, 1937.

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