APA (7th ed.) Citation

Armstrong, E. C. R. (1916). Seals of the St. John's, Dublin.

Chicago Style (17th ed.) Citation

Armstrong, E. C. R. Seals of the St. John's, Dublin. 1916.

MLA (9th ed.) Citation

Armstrong, E. C. R. Seals of the St. John's, Dublin. 1916.

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