APA Style

Sagan, Carl. (1997). Kosmos (1). : Yayasan Obor Indonesia.

Chicago Style

Sagan, Carl. Kosmos. 1 : Yayasan Obor Indonesia, 1997. Non Fiction.

MLA Style

Sagan, Carl. Kosmos. 1 : Yayasan Obor Indonesia, 1997. Non Fiction.

Turabian Style

Sagan, Carl. Kosmos. 1 : Yayasan Obor Indonesia, 1997. Non Fiction.