APA (7th ed.) Citation

(1973). Philippine almanac and handbook of facts (1st- ed.). Philippine Almanac Printers.

Chicago Style (17th ed.) Citation

Philippine Almanac and Handbook of Facts. 1st- ed. Quezon City: Philippine Almanac Printers, 1973.

MLA (9th ed.) Citation

Philippine Almanac and Handbook of Facts. 1st- ed. Philippine Almanac Printers, 1973.

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