MLA

Dickens, Charles, Marcus Stone, and Francis Amasa Walker. Hard Times and Pictures From Italy. London: Chapman & Hall, 1867.

APA

Dickens, C., Stone, M., & Walker, F. Amasa. (1867). Hard times and Pictures from Italy. London: Chapman & Hall.

Chicago

Dickens, Charles, Marcus Stone, and Francis Amasa Walker. Hard Times and Pictures From Italy. London: Chapman & Hall, 1867.