APA (7th ed.) Citation

Sagan, C. (1996). Kosmos. Yayasan Obor Indonesia.

Chicago Style (17th ed.) Citation

Sagan, Carl. Kosmos. Yayasan Obor Indonesia, 1996.

MLA (8th ed.) Citation

Sagan, Carl. Kosmos. Yayasan Obor Indonesia, 1996.

Warning: These citations may not always be 100% accurate.