Cite

Calves' heads and brains, or, A phrenological lecture [graphic]

MLA

Alken, Henry Thomas, 1784-1851, printmaker. Calves' heads and brains, or, A phrenological lecture [graphic]. [September 1826]. https://collections.library.yale.edu/catalog/17338212.

APA, 6th edition

Alken, Henry Thomas, 1784-1851, printmaker. ([September 1826])[Calves' heads and brains, or, A phrenological lecture [graphic]]. https://collections.library.yale.edu/catalog/17338212.