APA (7th ed.) Citation

Forman, H. J. (1972). How you can make big profits investing in coins. Nummus Press.

Chicago Style (17th ed.) Citation

Forman, Harry J. How You Can Make Big Profits Investing in Coins. New York: Nummus Press, 1972.

MLA (9th ed.) Citation

Forman, Harry J. How You Can Make Big Profits Investing in Coins. Nummus Press, 1972.

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