APA (7th ed.) Citation

Umar, M. A. C. Lautan pahala. Toha Putra.

Chicago Style (17th ed.) Citation

Umar, M. Ali Chasan. Lautan Pahala. Semarang: Toha Putra.

MLA (9th ed.) Citation

Umar, M. Ali Chasan. Lautan Pahala. Toha Putra.

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