APA (7th ed.) Citation

Guerrero, L. M. (1975). Today began yesterday: A historical approach to martial law in the Philippines. National Media Production Center.

Chicago Style (17th ed.) Citation

Guerrero, Leon Maria. Today Began Yesterday: A Historical Approach to Martial Law in the Philippines. Manila: National Media Production Center, 1975.

MLA (9th ed.) Citation

Guerrero, Leon Maria. Today Began Yesterday: A Historical Approach to Martial Law in the Philippines. National Media Production Center, 1975.