APA (7th ed.) Citation

Marion H., N. (1963). How to know God's wil. Moody Press.

Chicago Style (17th ed.) Citation

Marion H., Nelson. How to Know God's Wil. Moody Press, 1963.

MLA (9th ed.) Citation

Marion H., Nelson. How to Know God's Wil. Moody Press, 1963.

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