APA (7th ed.) Citation

Bulatao, J. (1966). The finger abacus. Ateneo de Manila University, Publications Office.

Chicago Style (17th ed.) Citation

Bulatao, Jaime. The Finger Abacus. Quezon City: Ateneo de Manila University, Publications Office, 1966.

MLA (9th ed.) Citation

Bulatao, Jaime. The Finger Abacus. Ateneo de Manila University, Publications Office, 1966.