APA (7th ed.) Citation

(1990). St. Helena land use: Series OSD 3273 (Ed. 1-OSD 1990.). Ordnance Survey u.a.

Chicago Style (17th ed.) Citation

St. Helena Land Use: Series OSD 3273. Ed. 1-OSD 1990. Southampton u.a: Ordnance Survey u.a, 1990.

MLA (9th ed.) Citation

St. Helena Land Use: Series OSD 3273. Ed. 1-OSD 1990. Ordnance Survey u.a, 1990.