APA (7th ed.) Citation

Clarke, A. N. (1951). Pen points of old Sydney and historic New South Wales. Central Press.

Chicago Style (17th ed.) Citation

Clarke, Albert N. Pen Points of Old Sydney and Historic New South Wales. Sydney: Central Press, 1951.

MLA (8th ed.) Citation

Clarke, Albert N. Pen Points of Old Sydney and Historic New South Wales. Central Press, 1951.