APA (7th ed.) Citation

Kellogg, E. M. (1990). An astrophysics data program investigation of cluster evolution: Semiannual report no. 1 : for the period 1 August 1989 through 31 January 1990. Smithsonian Institution, Astrophysical Observatory.

Chicago Style (17th ed.) Citation

Kellogg, Edwin M. An Astrophysics Data Program Investigation of Cluster Evolution: Semiannual Report No. 1 : For the Period 1 August 1989 Through 31 January 1990. Cambridge, Mass.: Smithsonian Institution, Astrophysical Observatory, 1990.

MLA (9th ed.) Citation

Kellogg, Edwin M. An Astrophysics Data Program Investigation of Cluster Evolution: Semiannual Report No. 1 : For the Period 1 August 1989 Through 31 January 1990. Smithsonian Institution, Astrophysical Observatory, 1990.