APA (7th ed.) Citation

Wattimena, D., & Martokoesoemo, P. H. (2011). Spiritual Happiness. Mizania.

Chicago Style (17th ed.) Citation

Wattimena, David, and Priatno H. Martokoesoemo. Spiritual Happiness. Mizania, 2011.

MLA (8th ed.) Citation

Wattimena, David, and Priatno H. Martokoesoemo. Spiritual Happiness. Mizania, 2011.

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