MLA

Williams, Charles, active 1797-1830, printmaker. More pigs than teats", or, The new litter of hungry grunters sucking John Bulls old-sow to death [graphic]. [March 1806]. https://collections.library.yale.edu/catalog/11858927.

APA, 6th edition

Williams, Charles, active 1797-1830, printmaker. ([March 1806])[More pigs than teats", or, The new litter of hungry grunters sucking John Bulls old-sow to death [graphic]]. https://collections.library.yale.edu/catalog/11858927.