Gaya APA

Swanson, C, P., Davis, T, L. (1949). Chymia annual studies in the history of chemistry . Philadilphia: Philadilphia: University of Pennsylvania; 1949.

Gaya MLA

Swanson, Carl, P.., Davis, Tenney, L. "Chymia annual studies in the history of chemistry". Philadilphia: Philadilphia: University of Pennsylvania; 1949, 1949. Text.