APA (7th ed.) Citation

De Leon, C. G. (1999). A report on the 21st NDPR week. Concern.

Chicago Style (17th ed.) Citation

De Leon, Cely G. "A Report on the 21st NDPR Week." Concern 1999.

MLA (9th ed.) Citation

De Leon, Cely G. "A Report on the 21st NDPR Week." Concern, 1999.

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