Symposium on Copernicus Philadelphia, Pa. (1973). Symposium on Copernicus: Including three papers read at the annual General Meeting, April 20, 1973.
Chicago-Zitierstil (17. Ausg.)Symposium on Copernicus Philadelphia, Pa. Symposium on Copernicus: Including Three Papers Read at the Annual General Meeting, April 20, 1973. Philadelphia, 1973.
MLA-Zitierstil (9. Ausg.)Symposium on Copernicus Philadelphia, Pa. Symposium on Copernicus: Including Three Papers Read at the Annual General Meeting, April 20, 1973. 1973.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.