Παραπομπή σε μορφή APA (7η εκδ.)

Ringwood, S. (2010). Astronomers Anonymous: Getting Help with the Puzzles and Pitfalls of Practical Astronomy. Springer New York : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ringwood, Steve. Astronomers Anonymous: Getting Help with the Puzzles and Pitfalls of Practical Astronomy. New York, NY: Springer New York : Imprint: Springer, 2010.

Παραπομπή σε μορφή MLA (8th εκδ.)

Ringwood, Steve. Astronomers Anonymous: Getting Help with the Puzzles and Pitfalls of Practical Astronomy. Springer New York : Imprint: Springer, 2010.