Cita APA (7th ed.)

Cortis, I. R. (1966). The Philippine presidency: A study of executive power. Law Center, University of the Philippines.

Cita Chicago (17th ed.)

Cortis, Irene R. The Philippine Presidency: A Study of Executive Power. Quezon City: Law Center, University of the Philippines, 1966.

Cita MLA (9th ed.)

Cortis, Irene R. The Philippine Presidency: A Study of Executive Power. Law Center, University of the Philippines, 1966.