APA (7th ed.) Citation

Aratus, S., & Lombardo, S. (1983). Sky signs: Aratus' Phaenomena. North Atlantic Books.

Chicago Style (17th ed.) Citation

Aratus, Solensis, and Stanley Lombardo. Sky Signs: Aratus' Phaenomena. Berkeley, Calif.: North Atlantic Books, 1983.

MLA (9th ed.) Citation

Aratus, Solensis, and Stanley Lombardo. Sky Signs: Aratus' Phaenomena. North Atlantic Books, 1983.