APA (7th ed.) Citation

Küng, H. (1992). Fundamentalism as an ecumenical challenge. Concilium.

Chicago Style (17th ed.) Citation

Küng, Hans. "Fundamentalism as an Ecumenical Challenge." Concilium 1992.

MLA (9th ed.) Citation

Küng, Hans. "Fundamentalism as an Ecumenical Challenge." Concilium, 1992.

Warning: These citations may not always be 100% accurate.