APA citiranje

Deul, E. R. (1988). Interstellar dust and gas in the Milky Way and M33. Sterrewacht Leiden.

Chicago Style (17th ed.) Citation

Deul, Erik Ronald. Interstellar Dust and Gas in the Milky Way and M33. Leiden: Sterrewacht Leiden, 1988.

MLA citiranje

Deul, Erik Ronald. Interstellar Dust and Gas in the Milky Way and M33. Sterrewacht Leiden, 1988.