APA (7th ed.) Citation

Soemargono, S., & Delgaauw, B. (2001). Filsafat abad 20. Tiara wacana Yogya.

Chicago Style (17th ed.) Citation

Soemargono, Soejono, and Bernard Delgaauw. Filsafat Abad 20. Tiara wacana Yogya, 2001.

MLA (8th ed.) Citation

Soemargono, Soejono, and Bernard Delgaauw. Filsafat Abad 20. Tiara wacana Yogya, 2001.

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