APA (7th ed.) Citation

(1998). PHOTOGRAPHS,then and now. Washington D.C National Geographic Society 1998.

Chicago Style (17th ed.) Citation

PHOTOGRAPHS,then and Now. Washington D.C: Washington D.C National Geographic Society 1998, 1998.

MLA (8th ed.) Citation

PHOTOGRAPHS,then and Now. Washington D.C National Geographic Society 1998, 1998.

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