APA (7th ed.) Citation

Drummond, H. (1990). The greatest thing in the world: And other addresses. Christian Classics Ethereal Library.

Chicago Style (17th ed.) Citation

Drummond, Henry. The Greatest Thing in the World: And Other Addresses. Grand Rapids, Mich: Christian Classics Ethereal Library, 1990.

MLA (9th ed.) Citation

Drummond, Henry. The Greatest Thing in the World: And Other Addresses. Christian Classics Ethereal Library, 1990.