APA (7th ed.) Citation

Roberts, M. (1989). Writing clearly: A manual for Filipino writers and editors in English. Health Action Information Network.

Chicago Style (17th ed.) Citation

Roberts, Mari. Writing Clearly: A Manual for Filipino Writers and Editors in English. Quezon City: Health Action Information Network, 1989.

MLA (9th ed.) Citation

Roberts, Mari. Writing Clearly: A Manual for Filipino Writers and Editors in English. Health Action Information Network, 1989.