The Issue at hand :
studies in contemporary magazine science fiction /
by William Atheling, Jr. [i.e. J. Blish] ; edited, and with an introd., by James Blish. -

APA Citation

Blish, J. (1964). The Issue at hand: studies in contemporary magazine science fiction. Chicago: Advent Publishers.

MLA Citation

Blish, James. The Issue At Hand: Studies In Contemporary Magazine Science Fiction. Chicago: Advent Publishers, 1964.

Warning: These citations may not always be complete (especially for serials).