APA (7th ed.) Citation

DeLorme Publishing Company. (1998). Oklahoma atlas & gazetteer: GPS grids, topo maps of the entire state, back roads, outdoor recreation. DeLorme.

Chicago Style (17th ed.) Citation

DeLorme Publishing Company. Oklahoma Atlas & Gazetteer: GPS Grids, Topo Maps of the Entire State, Back Roads, Outdoor Recreation. Yarmouth, Me.: DeLorme, 1998.

MLA (9th ed.) Citation

DeLorme Publishing Company. Oklahoma Atlas & Gazetteer: GPS Grids, Topo Maps of the Entire State, Back Roads, Outdoor Recreation. DeLorme, 1998.