APA (7th ed.) Zitazioa

Barth, K. (1963). Evangelical theology: An introduction. William B Eerdman.

Chicago Style (17th ed.) Zitazioa

Barth, Karl. Evangelical Theology: An Introduction. Grand rapids: William B Eerdman, 1963.

MLA (9th ed.) Zitazioa

Barth, Karl. Evangelical Theology: An Introduction. William B Eerdman, 1963.