MLA

Cruikshank, Robert, 1789-1856, printmaker. A sea voyage taken by the recommendation of Doctor Sid. & Co. for the restoration of the great babes health [graphic].. Sepr. 1820.. https://collections.library.yale.edu/catalog/33245830.

APA, 6th edition

Cruikshank, Robert, 1789-1856, printmaker. (Sepr. 1820.)[A sea voyage taken by the recommendation of Doctor Sid. & Co. for the restoration of the great babes health [graphic].]. https://collections.library.yale.edu/catalog/33245830.