APA (7th ed.) Citation

(1980). Communal gravity systems: Four case studies. Institute of Philippine Culture, Ateneo de Manila University.

Chicago Style (17th ed.) Citation

Communal Gravity Systems: Four Case Studies. Quezon City: Institute of Philippine Culture, Ateneo de Manila University, 1980.

MLA (9th ed.) Citation

Communal Gravity Systems: Four Case Studies. Institute of Philippine Culture, Ateneo de Manila University, 1980.