Planets and people. [F.E. Ormsby].
Chicago Style (17th ed.) CitationPlanets and People. Chicago: [F.E. Ormsby].
MLA (8th ed.) CitationPlanets and People. [F.E. Ormsby].
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.
APA (7th ed.) Citation