Twins and supertwins.
With special editing by Arthur Falek and others. Illustrated by the author.

APA Citation

Scheinfeld, A. (1967). Twins and supertwins. [1st ed.] Philadelphia: Lippincott.

MLA Citation

Scheinfeld, Amram, 1897-. Twins And Supertwins. [1st ed.] Philadelphia: Lippincott, 1967.

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