APA (7th ed.) Citation

Asimov, I. (1992). Astronomi hari ini. Federal Publications.

Chicago Style (17th ed.) Citation

Asimov, Isaac. Astronomi Hari Ini. Kuala Lumpur: Federal Publications, 1992.

MLA (9th ed.) Citation

Asimov, Isaac. Astronomi Hari Ini. Federal Publications, 1992.

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