APA (7th ed.) Citation

Seale, L. N. (2008). Polar bear footprint -- photograph.

Chicago Style (17th ed.) Citation

Seale, Linda N. Polar Bear Footprint -- Photograph. 2008.

MLA (9th ed.) Citation

Seale, Linda N. Polar Bear Footprint -- Photograph. 2008.

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