APA (7th ed.) Citation

Levy, D. H. (2005). David Levy's guide to variable stars. Cambridge University Press. https://doi.org/10.1017/CBO9780511525131

Chicago Style (17th ed.) Citation

Levy, David H. David Levy's Guide to Variable Stars. Cambridge: Cambridge University Press, 2005. https://doi.org/10.1017/CBO9780511525131.

MLA (9th ed.) Citation

Levy, David H. David Levy's Guide to Variable Stars. Cambridge University Press, 2005. https://doi.org/10.1017/CBO9780511525131.