APA (7th ed.) Citation

(1956). An inventory of the ancient monuments in Caernarvonshire. HMSO.

Chicago Style (17th ed.) Citation

An Inventory of the Ancient Monuments in Caernarvonshire. HMSO, 1956.

MLA (9th ed.) Citation

An Inventory of the Ancient Monuments in Caernarvonshire. HMSO, 1956.

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