APA (7th ed.) Citation

Macaraeg, B. B. (1969). How you can write better business letters in the modern way (4th edition.). [publisher not identified].

Chicago Style (17th ed.) Citation

Macaraeg, Bienvenido B. How You Can Write Better Business Letters in the Modern Way. 4th edition. Kabasalan, Zamboanga del Sur: [publisher not identified], 1969.

MLA (9th ed.) Citation

Macaraeg, Bienvenido B. How You Can Write Better Business Letters in the Modern Way. 4th edition. [publisher not identified], 1969.