APA (7th ed.) Citation

Tonkin, S. F. (2001). Astronomy with Small Telescopes: Up to 5-inch, 125mm. Springer London.

Chicago Style (17th ed.) Citation

Tonkin, Stephen F. Astronomy with Small Telescopes: Up to 5-inch, 125mm. London: Springer London, 2001.

MLA (9th ed.) Citation

Tonkin, Stephen F. Astronomy with Small Telescopes: Up to 5-inch, 125mm. Springer London, 2001.