APA (7th ed.) Citation

Syarif, M. M. (2009). Life begins at 40. Gema Insani Press.

Chicago Style (17th ed.) Citation

Syarif, Muhammad Musa. Life Begins at 40. Gema Insani Press, 2009.

MLA (8th ed.) Citation

Syarif, Muhammad Musa. Life Begins at 40. Gema Insani Press, 2009.

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