Cita APA (7a ed.)
Smethurst, B. A Brief History of Black Holes: And Why Nearly Everything You Know about Them Is Wrong. Macmillan.
Cita estilo Chicago (17a ed.)
Smethurst, Becky. A Brief History of Black Holes: And Why Nearly Everything You Know About Them Is Wrong. Londres, Inglaterra: Macmillan.
Cita MLA (9a ed.)
Smethurst, Becky. A Brief History of Black Holes: And Why Nearly Everything You Know About Them Is Wrong. Macmillan.
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