APA (7th ed.) Citation

Hoffman, D., & Mohler, L. (1982). Mathematical recreations for the programmable calculator. Hayden Book Co.

Chicago Style (17th ed.) Citation

Hoffman, Dean, and Lee Mohler. Mathematical Recreations for the Programmable Calculator. Rochelle Park, N.J: Hayden Book Co, 1982.

MLA (9th ed.) Citation

Hoffman, Dean, and Lee Mohler. Mathematical Recreations for the Programmable Calculator. Hayden Book Co, 1982.