Cartoon: "Look—I've really got to leave!"

From Author Wars - https://authorwars.com/books/cartoon-look--ive-really-got-to-leave-3258356.html

Overview:

Title: Cartoon: "Look—I've really got to leave!"
Author: Gahan Wilson
Year: 1971
Type: Interior Art

Editions/Publications:

Unknown. I Paint What I See (Unknown, Gahan Wilson, Simon & Schuster, ISBN-10: 0671208586, $3.95, 126 pages, Hardcover, Collection)