Cita APA (7th ed.)

Clark, D. H., & Stephenson, F. R. (1977). The historical supernovae. Pergamon Press.

Cita Chicago (17th ed.)

Clark, David H., i F. Richard Stephenson. The Historical Supernovae. Oxford: Pergamon Press, 1977.

Cita MLA (9th ed.)

Clark, David H., i F. Richard Stephenson. The Historical Supernovae. Pergamon Press, 1977.