APA (7th ed.) Citation

Escoda, I. T., & Gonzales, R. P. (1968). Once upon a hilltop. [publisher not identified].

Chicago Style (17th ed.) Citation

Escoda, Isabel Taylor, and Rebecca Perla Gonzales. Once upon a Hilltop. Manila: [publisher not identified], 1968.

MLA (9th ed.) Citation

Escoda, Isabel Taylor, and Rebecca Perla Gonzales. Once upon a Hilltop. [publisher not identified], 1968.