Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Citation Edition Citation

Ramsey, J. T. (2006). A descriptive catalogue of Greco-Roman comets from 500 B.C. to A.D. 400. The University of Iowa.

Chicago Citation Edition Citation

Ramsey, J. T. A Descriptive Catalogue of Greco-Roman Comets from 500 B.C. to A.D. 400. Iowa: The University of Iowa, 2006.

MLA Citation Edition Citation

Ramsey, J. T. A Descriptive Catalogue of Greco-Roman Comets from 500 B.C. to A.D. 400. The University of Iowa, 2006.