APA (7th ed.) Citation

A.I.D. Associates. (1987). Somerville Reservoir: Contoured depth topo map. A.I.D. Associates.

Chicago Style (17th ed.) Citation

A.I.D. Associates. Somerville Reservoir: Contoured Depth Topo Map. Irving, Tex.: A.I.D. Associates, 1987.

MLA (9th ed.) Citation

A.I.D. Associates. Somerville Reservoir: Contoured Depth Topo Map. A.I.D. Associates, 1987.

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