APA (7th ed.) Citation

Harbison, P. (1988). Pre-Christian Ireland: From the first settlers to the early Celts. Thames and Hudson.

Chicago Style (17th ed.) Citation

Harbison, Peter. Pre-Christian Ireland: From the First Settlers to the Early Celts. London: Thames and Hudson, 1988.

MLA (9th ed.) Citation

Harbison, Peter. Pre-Christian Ireland: From the First Settlers to the Early Celts. Thames and Hudson, 1988.

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