APA (7th ed.) Citation

Weigel, G. (1957). A Catholic primer on the ecumenical movement. Newman Press.

Chicago Style (17th ed.) Citation

Weigel, Gustave. A Catholic Primer on the Ecumenical Movement. Westminster, Md.: Newman Press, 1957.

MLA (8th ed.) Citation

Weigel, Gustave. A Catholic Primer on the Ecumenical Movement. Newman Press, 1957.