Fuertes, Louis Agassiz. Plate 32: Oystercatcher, Killdeer, American Black-bellied Plover, American Golden Plover. 1921. Web. 05 Mar 2021. <https://ark.digitalcommonwealth.org/ark:/50959/k3569879h>.

Fuertes, L. (1921). Plate 32: Oystercatcher, Killdeer, American Black-bellied Plover, American Golden Plover [Painting]. Retrieved from https://ark.digitalcommonwealth.org/ark:/50959/k3569879h

Fuertes, Louis Agassiz. "Plate 32: Oystercatcher, Killdeer, American Black-bellied Plover, American Golden Plover." Painting. 1921. Digital Commonwealth, https://ark.digitalcommonwealth.org/ark:/50959/k3569879h (accessed March 05, 2021).