Digital Commonwealth

MLA

1 - Attention!. 1870. Web. 23 Feb 2019. <https://ark.digitalcommonwealth.org/ark:/50959/3f462n80f>.

APA

1 - Attention! [Card]. (1870). Retrieved from https://ark.digitalcommonwealth.org/ark:/50959/3f462n80f

Chicago

"1 - Attention!." Card. 1870. Digital Commonwealth, https://ark.digitalcommonwealth.org/ark:/50959/3f462n80f (accessed February 23, 2019).