The metal monster / A. Merritt.

MLA

Merritt, Abraham, Stephen E. Fabian and Mark B. Adams Science Fiction Collection (University of Pennsylvania). The metal monster / A. Merritt. Sixth printing. New York : Avon, 1976.

APA

Merritt, A., Fabian, S. & Mark B. Adams Science Fiction Collection (University of Pennsylvania). (1976). The metal monster / A. Merritt. Sixth printing. New York : Avon.

Chicago

Merritt, Abraham, Stephen E. Fabian and Mark B. Adams Science Fiction Collection (University of Pennsylvania). The metal monster / A. Merritt. Sixth printing. New York : Avon, 1976.