APA (7th ed.) Citation

Gibson, J. A., & Timmons, J. F. (1978). Land use inventory and projection model with applications to Iowa and its subregions. CARD.

Chicago Style (17th ed.) Citation

Gibson, James A., and John F. Timmons. Land Use Inventory and Projection Model with Applications to Iowa and Its Subregions. Ames, Iowa: CARD, 1978.

MLA (9th ed.) Citation

Gibson, James A., and John F. Timmons. Land Use Inventory and Projection Model with Applications to Iowa and Its Subregions. CARD, 1978.