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

APA Citation Edition Citation

O'Brien, D. (1968). Derived light and eclipses in the fifth century.

Chicago Citation Edition Citation

O'Brien, D. Derived Light and Eclipses in the Fifth Century. 1968.

MLA Citation Edition Citation

O'Brien, D. Derived Light and Eclipses in the Fifth Century. 1968.