APA Style

Sparke, Linda S., Gallagher III, John S.. (2012). Galaxies in the universe: an introduction (6th ed). Cambridge, UK: Cambridqe University.

Chicago Style

Sparke, Linda S., Gallagher III, John S.. Galaxies in the universe: an introduction. 6th ed Cambridge, UK: Cambridqe University, 2012. Textbook.

MLA Style

Sparke, Linda S., Gallagher III, John S.. Galaxies in the universe: an introduction. 6th ed Cambridge, UK: Cambridqe University, 2012. Textbook.

Turabian Style

Sparke, Linda S., Gallagher III, John S.. Galaxies in the universe: an introduction. 6th ed Cambridge, UK: Cambridqe University, 2012. Textbook.