Adam, D. P., & Robinson, S. W. (1988). Palynology of two upper quaternary cores from Clear Lake, Lake County, California: The climatic sequence derived from a continuous pollen record spanning the last full glacial cycle indicates several large and sudden shifts in climate during the early part of the last glacial cycle between 125,000 and 75,000 years ago. United States Government Print. Office.
Chicago Style (17th ed.) CitationAdam, David P., and Stephen W. Robinson. Palynology of Two Upper Quaternary Cores from Clear Lake, Lake County, California: The Climatic Sequence Derived from a Continuous Pollen Record Spanning the Last Full Glacial Cycle Indicates Several Large and Sudden Shifts in Climate During the Early Part of the Last Glacial Cycle Between 125,000 and 75,000 Years Ago. Washington: United States Government Print. Office, 1988.
MLA (9th ed.) CitationAdam, David P., and Stephen W. Robinson. Palynology of Two Upper Quaternary Cores from Clear Lake, Lake County, California: The Climatic Sequence Derived from a Continuous Pollen Record Spanning the Last Full Glacial Cycle Indicates Several Large and Sudden Shifts in Climate During the Early Part of the Last Glacial Cycle Between 125,000 and 75,000 Years Ago. United States Government Print. Office, 1988.