APA (7th ed.) Citation

Robinson, W. J., Hannah, J. W., & Harrill, B. G. (1972). Tree-ring dates from New Mexico: I, O, U, central Rio Grande area. Laboratory of Tree-Ring Research, University of Arizona.

Chicago Style (17th ed.) Citation

Robinson, William James, John W. Hannah, and Bruce G. Harrill. Tree-ring Dates from New Mexico: I, O, U, Central Rio Grande Area. Tuscon: Laboratory of Tree-Ring Research, University of Arizona, 1972.

MLA (9th ed.) Citation

Robinson, William James, et al. Tree-ring Dates from New Mexico: I, O, U, Central Rio Grande Area. Laboratory of Tree-Ring Research, University of Arizona, 1972.