APA-Zitierstil (7. Ausg.)

Scheinfeld, A. (1973). Twins and supertwins: Illustrated by the author. Penguin Books.

Chicago-Zitierstil (17. Ausg.)

Scheinfeld, Amram. Twins and Supertwins: Illustrated by the Author. Baltimore, Md: Penguin Books, 1973.

MLA-Zitierstil (9. Ausg.)

Scheinfeld, Amram. Twins and Supertwins: Illustrated by the Author. Penguin Books, 1973.