APA (7th ed.) Citation

Swidler, L. J., & Küng, H. (1966). The ecumenical vanguard: The history of the Una Sancta movement. Duquesne University.

Chicago Style (17th ed.) Citation

Swidler, Leonard J., and Hans Küng. The Ecumenical Vanguard: The History of the Una Sancta Movement. Pittsburgh: Duquesne University, 1966.

MLA (9th ed.) Citation

Swidler, Leonard J., and Hans Küng. The Ecumenical Vanguard: The History of the Una Sancta Movement. Duquesne University, 1966.