APA (7th ed.) Citation

Elder, I. H. (1947). Celt, Druid and Culdee (3rd ed.). The Covenant Pub. Co..

Chicago Style (17th ed.) Citation

Elder, Isabel Hill. Celt, Druid and Culdee. 3rd ed. London: The Covenant Pub. Co., 1947.

MLA (9th ed.) Citation

Elder, Isabel Hill. Celt, Druid and Culdee. 3rd ed. The Covenant Pub. Co., 1947.

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