APA (7th ed.) Citation

Skacel, R. K. (1976). The marketing plan: How to prepare it, what should be in it. Crain Books u.a.

Chicago Style (17th ed.) Citation

Skacel, Robert K. The Marketing Plan: How to Prepare It, What Should Be in It. Lincolnwood, Ill: Crain Books u.a, 1976.

MLA (9th ed.) Citation

Skacel, Robert K. The Marketing Plan: How to Prepare It, What Should Be in It. Crain Books u.a, 1976.