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

APA Citation Edition Citation

Beck, R. Sette sfere, sette porte, and the Spring Equinoxes of A.D. 172 and 173.

Chicago Citation Edition Citation

Beck, R. Sette Sfere, Sette Porte, and the Spring Equinoxes of A.D. 172 and 173.

MLA Citation Edition Citation

Beck, R. Sette Sfere, Sette Porte, and the Spring Equinoxes of A.D. 172 and 173.