APA Edition Citation

Ordnance Survey. (1960). Great Britain : one inch map, seventh series: One inch map, seventh series. O.S..

Chicago Edition Citation

Ordnance Survey. Great Britain : One Inch Map, Seventh Series: One Inch Map, Seventh Series. O.S., 1960.

MLA Edition Citation

Ordnance Survey. Great Britain : One Inch Map, Seventh Series: One Inch Map, Seventh Series. O.S., 1960.

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