APA (7th ed.) Citation

Powell, T. F. (1985). The Miracle of Microfilm: The Foundation of the Largest Genealogical Record Collection in the World.

Chicago Style (17th ed.) Citation

Powell, Ted F. The Miracle of Microfilm: The Foundation of the Largest Genealogical Record Collection in the World. 1985.

MLA (9th ed.) Citation

Powell, Ted F. The Miracle of Microfilm: The Foundation of the Largest Genealogical Record Collection in the World. 1985.

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