APA (7th ed.) Citation

Purnomo, A. (2013). Melacak Jejak Surga. Kanisius.

Chicago Style (17th ed.) Citation

Purnomo, Albertus. Melacak Jejak Surga. Kanisius, 2013.

MLA (8th ed.) Citation

Purnomo, Albertus. Melacak Jejak Surga. Kanisius, 2013.

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