APA (7th ed.) Citation

O'Kelly, C. (1971). Guide to Newgrange (2. ed., rev. and enl.). English.

Chicago Style (17th ed.) Citation

O'Kelly, Claire. Guide to Newgrange. 2. ed., rev. and enl. Wexford: English, 1971.

MLA (9th ed.) Citation

O'Kelly, Claire. Guide to Newgrange. 2. ed., rev. and enl. English, 1971.