Cita APA (7a ed.)

Horgan, T. D. (1990). Walking together: Roman catholics and ecumenism twenty-five years after Vatican II. Eerdmans.

Cita Chicago Style (17a ed.)

Horgan, Thaddeus D. Walking Together: Roman Catholics and Ecumenism Twenty-five Years After Vatican II. Grand Rapids: Eerdmans, 1990.

Cita MLA (9a ed.)

Horgan, Thaddeus D. Walking Together: Roman Catholics and Ecumenism Twenty-five Years After Vatican II. Eerdmans, 1990.