APA (7e ed.) Bronvermelding

Armstrong, E. C. R. (1913). Irish Seal-Matrices and seals: By E. C. R. Armstrong. Hodges & Figgis.

Chicago (17e ed.) Bronvermelding

Armstrong, E. C. R. Irish Seal-Matrices and Seals: By E. C. R. Armstrong. Dublin: Hodges & Figgis, 1913.

MLA (8e ed.) Bronvermelding

Armstrong, E. C. R. Irish Seal-Matrices and Seals: By E. C. R. Armstrong. Hodges & Figgis, 1913.

Let op: Deze citaties zijn niet altijd 100% accuraat.