Cita APA (7th ed.)

Zafra, N. (1977). Jose Rizal: Historical studies. University of the Philippines Press.

Cita Chicago (17th ed.)

Zafra, Nicolas. Jose Rizal: Historical Studies. Quezon City: University of the Philippines Press, 1977.

Cita MLA (9th ed.)

Zafra, Nicolas. Jose Rizal: Historical Studies. University of the Philippines Press, 1977.