APA (7th ed.) Citation

Brennan, M. (1994). The stones of time: Calendars, sundials, and stone chambers of ancient Ireland. Inner Traditions.

Chicago Style (17th ed.) Citation

Brennan, Martin. The Stones of Time: Calendars, Sundials, and Stone Chambers of Ancient Ireland. Rochester, Vt.: Inner Traditions, 1994.

MLA (9th ed.) Citation

Brennan, Martin. The Stones of Time: Calendars, Sundials, and Stone Chambers of Ancient Ireland. Inner Traditions, 1994.