APA (7th ed.) Citation

Ehrich, R. W. (1954). Relative Chronologies in Old World Archaeology.

Chicago Style (17th ed.) Citation

Ehrich, R. W. Relative Chronologies in Old World Archaeology. 1954.

MLA (8th ed.) Citation

Ehrich, R. W. Relative Chronologies in Old World Archaeology. 1954.

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