Slotegraaf, A., & Willasch, D. (2014). Pearls of the southern sky: A journey to exotic star clusters, nebulae and galaxies. Firefly Books.
Chicago Style (17th ed.) CitationSlotegraaf, Auke, and Dieter Willasch. Pearls of the Southern Sky: A Journey to Exotic Star Clusters, Nebulae and Galaxies. Richmond Hill, Ontario: Firefly Books, 2014.
MLA (9th ed.) CitationSlotegraaf, Auke, and Dieter Willasch. Pearls of the Southern Sky: A Journey to Exotic Star Clusters, Nebulae and Galaxies. Firefly Books, 2014.
Warning: These citations may not always be 100% accurate.