APA (7th ed.) Citation

Brooks, J. (1990). Cornwall walks / compiled by John Brooks. Ordnance Survey.

Chicago Style (17th ed.) Citation

Brooks, John. Cornwall Walks / Compiled by John Brooks. Southampton: Ordnance Survey, 1990.

MLA (9th ed.) Citation

Brooks, John. Cornwall Walks / Compiled by John Brooks. Ordnance Survey, 1990.

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