Παραπομπή σε μορφή APA (7η εκδ.)

Schaaf, F., & Myers, D. (1990). Seeing the sky: 100 projects, activities, and explorations in astronomy. John Wiley & Sons.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Schaaf, Fred, και Doug Myers. Seeing the Sky: 100 Projects, Activities, and Explorations in Astronomy. New York: John Wiley & Sons, 1990.

Παραπομπή σε μορφή MLA (8th εκδ.)

Schaaf, Fred, και Doug Myers. Seeing the Sky: 100 Projects, Activities, and Explorations in Astronomy. John Wiley & Sons, 1990.