Cita APA (7a ed.)

Marcos, F. E. (1968). Towards a new ecumenism. Bureau of Printing.

Cita Chicago Style (17a ed.)

Marcos, Ferdinand E. Towards a New Ecumenism. Manila: Bureau of Printing, 1968.

Cita MLA (9a ed.)

Marcos, Ferdinand E. Towards a New Ecumenism. Bureau of Printing, 1968.