Gaya APA

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

Gaya MLA

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