Publications, research reports, and websites based on the database must be cited appropriately.

Citation of the ECPP database should take the following form:

The Early California Population Project. Edition 1.1. General Editor, Steven W. Hackel (University of California, Riverside and The Henry E. Huntington Library, San Marino, California, 2022.)

Review of data in the Early California Population Project database is not a substitute for the consultation of the original records.