APA (7th ed.) Citation

Tuzik, R. L. (1990). How firm a foundation: Leaders of the liturgical movement. Liturgy Training Publications.

Chicago Style (17th ed.) Citation

Tuzik, Robert L. How Firm a Foundation: Leaders of the Liturgical Movement. Chicago, Ill.: Liturgy Training Publications, 1990.

MLA (8th ed.) Citation

Tuzik, Robert L. How Firm a Foundation: Leaders of the Liturgical Movement. Liturgy Training Publications, 1990.

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