APA (7th ed.) Citation

Philippine Long Distance Telephone Company. You and your telephone. [publisher not identified].

Chicago Style (17th ed.) Citation

Philippine Long Distance Telephone Company. You and Your Telephone. [place of publication not identified]: [publisher not identified].

MLA (9th ed.) Citation

Philippine Long Distance Telephone Company. You and Your Telephone. [publisher not identified].

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