MLA

Emisfero Oriental [and] Emisfero Occidentale. Ev. Azzi ... Dis. e Compilo. E. Bonatti ... Corre. e Completo. Francesco Vallardi, 1873. https://collections.library.yale.edu/catalog/15234635.

APA, 6th edition

Emisfero Oriental [and] Emisfero Occidentale. Ev. Azzi ... dis. e compilo. E. Bonatti ... corre. e completo. (1873). [Maps]. Francesco Vallardi, https://collections.library.yale.edu/catalog/15234635.