APA (7th ed.) Citation

Roberts, R. E., Cotner, S., Longbrake, T., Parsons, J., & Thompson, P. (1977). Keys to profitable potato production. Texas Agricultural Extension Service.

Chicago Style (17th ed.) Citation

Roberts, R. E., Sam Cotner, Tom Longbrake, Jerry Parsons, and Paul Thompson. Keys to Profitable Potato Production. College Station, [Texas]: Texas Agricultural Extension Service, 1977.

MLA (9th ed.) Citation

Roberts, R. E., et al. Keys to Profitable Potato Production. Texas Agricultural Extension Service, 1977.