APA (7th ed.) Citation

William. (2007). Herschel 400 Observing Guide: How To Find And Explore 400 Star Clusters,Nebulae,And Galaxies Discovered. Cambridge University Press.

Chicago Style (17th ed.) Citation

William. Herschel 400 Observing Guide: How To Find And Explore 400 Star Clusters,Nebulae,And Galaxies Discovered. United Kingdom: Cambridge University Press, 2007.

MLA (9th ed.) Citation

William. Herschel 400 Observing Guide: How To Find And Explore 400 Star Clusters,Nebulae,And Galaxies Discovered. Cambridge University Press, 2007.

Warning: These citations may not always be 100% accurate.