MLA

Aubert (Firm), Cham, 1819-1879, Vresse, Arnauld de, Walter, Henri. Actualit̩s 163. 1869 August 6. https://collections.library.yale.edu/catalog/10082349.

APA, 6th edition

Aubert (Firm), & Cham, 1819-1879, & Vresse, Arnauld de, & Walter, Henri. (1869 August 6)[Actualit̩s 163]. https://collections.library.yale.edu/catalog/10082349.