Cita APA (7a ed.)

Schmitz, J., & Vogelgesang, J. (1971). The Abra mission in Northern Luzón, Philippines: 1598-1955. University of San Carlos.

Cita Chicago Style (17a ed.)

Schmitz, Josef, y John Vogelgesang. The Abra Mission in Northern Luzón, Philippines: 1598-1955. Cebu City [Filipinas]: University of San Carlos, 1971.

Cita MLA (9a ed.)

Schmitz, Josef, y John Vogelgesang. The Abra Mission in Northern Luzón, Philippines: 1598-1955. University of San Carlos, 1971.