APA (7th ed.) Citation

Rocky Mountain Association of Geologists & Veal, H. K. (1977). Exploration frontiers of the central and southern Rockies. Rocky Mountain Association of Geologists.

Chicago Style (17th ed.) Citation

Rocky Mountain Association of Geologists and Harry K. Veal. Exploration Frontiers of the Central and Southern Rockies. Denver: Rocky Mountain Association of Geologists, 1977.

MLA (9th ed.) Citation

Rocky Mountain Association of Geologists and Harry K. Veal. Exploration Frontiers of the Central and Southern Rockies. Rocky Mountain Association of Geologists, 1977.