APA (7th ed.) Citation

Romulo, B. D. (1999). Sleepless at sixty. Philippine Panorama.

Chicago Style (17th ed.) Citation

Romulo, Beth Day. "Sleepless at Sixty." Philippine Panorama 1999.

MLA (9th ed.) Citation

Romulo, Beth Day. "Sleepless at Sixty." Philippine Panorama, 1999.

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