APA (7th ed.) Citation

Muhammad, A. (2011). Tertawalah biar sehat. Diva Press.

Chicago Style (17th ed.) Citation

Muhammad, Asadi. Tertawalah Biar Sehat. Diva Press, 2011.

MLA (8th ed.) Citation

Muhammad, Asadi. Tertawalah Biar Sehat. Diva Press, 2011.

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