APA (7th ed.) Citation

Armstrong, E. C. R. (1913). Matrices of Irish Seals.

Chicago Style (17th ed.) Citation

Armstrong, E. C. R. Matrices of Irish Seals. Dublin, 1913.

MLA (9th ed.) Citation

Armstrong, E. C. R. Matrices of Irish Seals. 1913.

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