Cita APA (7a ed.)

Glassgold, A., & Huggins, P. (1982). Symosium on the Orion Nebula to Honor Henry Draper. The New York Academy of Sciences.

Cita Chicago Style (17a ed.)

Glassgold, A.E, y P.J Huggins. Symosium on the Orion Nebula to Honor Henry Draper. New York: The New York Academy of Sciences, 1982.

Cita MLA (9a ed.)

Glassgold, A.E, y P.J Huggins. Symosium on the Orion Nebula to Honor Henry Draper. The New York Academy of Sciences, 1982.