APA-Zitierstil (7. Ausg.)
Zeleny, R. O. (1989). Science Year 1990: <The> World Book Annual Science Supplement. A review of Science and Technology During the 1989 School Year (1. ed.). World Book.
Chicago-Zitierstil (17. Ausg.)
Zeleny, Robert O. Science Year 1990: <The> World Book Annual Science Supplement. A Review of Science and Technology During the 1989 School Year. 1. ed. Chicago: World Book, 1989.
MLA-Zitierstil (9. Ausg.)
Zeleny, Robert O. Science Year 1990: <The> World Book Annual Science Supplement. A Review of Science and Technology During the 1989 School Year. 1. ed. World Book, 1989.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.