Californien.
MLA
Hartmann, Carl, b. 1796. Californien.. BRBL_00601. 1849. https://collections.library.yale.edu/catalog/15818630.
APA, 6th edition
Hartmann, Carl, b. 1796. (["BRBL_00601"])(1849)[Californien.]. https://collections.library.yale.edu/catalog/15818630.