Smyth, I. (1998). The amazing inventions of Professor Screwloose: A pop-up mechanical book. Orchard Books.
Chicago-Zitierstil (17. Ausg.)Smyth, Iain. The Amazing Inventions of Professor Screwloose: A Pop-up Mechanical Book. London: Orchard Books, 1998.
MLA-Zitierstil (9. Ausg.)Smyth, Iain. The Amazing Inventions of Professor Screwloose: A Pop-up Mechanical Book. Orchard Books, 1998.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.