There Will Be a Sign

From Author Wars - https://authorwars.com/books/there-will-be-a-sign-43140.html

Overview:

Title: There Will Be a Sign
Author: John M. Ford
Year: 1978
Type: Short Fiction

Editions/Publications:

Unknown. Isaac Asimov's Science Fiction Magazine, January-February 1978 (Unknown, John M. Ford, Davis Publications, $1.25, 196 pages, digest, MAGAZINE)