APA (7th ed.) Citation

Ehrich, R. W. (1954). Relative chronologies in Old World archeology. University of Chicago Press.

Chicago Style (17th ed.) Citation

Ehrich, Robert W. Relative Chronologies in Old World Archeology. Chicago: University of Chicago Press, 1954.

MLA (9th ed.) Citation

Ehrich, Robert W. Relative Chronologies in Old World Archeology. University of Chicago Press, 1954.

Warning: These citations may not always be 100% accurate.