APA (7th ed.) Citation

Petrious astroscope. Cacho Hermanos.

Chicago Style (17th ed.) Citation

Petrious Astroscope. Mandaluyong, Rizal: Cacho Hermanos.

MLA (9th ed.) Citation

Petrious Astroscope. Cacho Hermanos.

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