APA (7th ed.) Citation

Barth, K. (1968). Ad limina apostolorum: An appraisal of Vatican II. John Knox Press.

Chicago Style (17th ed.) Citation

Barth, Karl. Ad Limina Apostolorum: An Appraisal of Vatican II. Richmond: John Knox Press, 1968.

MLA (9th ed.) Citation

Barth, Karl. Ad Limina Apostolorum: An Appraisal of Vatican II. John Knox Press, 1968.

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