APA (7th ed.) Citation

Asen, R., & Asen, R. S. (1970). How to make money selling stock options. Parker.

Chicago Style (17th ed.) Citation

Asen, Robert, and R. Scott Asen. How to Make Money Selling Stock Options. West Nyack, N.Y: Parker, 1970.

MLA (9th ed.) Citation

Asen, Robert, and R. Scott Asen. How to Make Money Selling Stock Options. Parker, 1970.