MLA

Harrell, V, C Hurt, and D Kirby. Are Your Farmers Confused About Marketing? Here's Why and What to Do. USA, 1986.

APA

Harrell, V., Hurt, C., & Kirby, D. (1986). Are your farmers confused about marketing? here's why and what to do. USA.

Chicago

Harrell, V., C Hurt, and D Kirby. Are Your Farmers Confused about Marketing? Here's Why and What to Do. USA, 1986.