APA (7th ed.) Citation

Guardini, R. (1981). Johanneische Botschaft: Romano Guardini. Herder.

Chicago Style (17th ed.) Citation

Guardini, Romano. Johanneische Botschaft: Romano Guardini. Freiburg [u.a.]: Herder, 1981.

MLA (8th ed.) Citation

Guardini, Romano. Johanneische Botschaft: Romano Guardini. Herder, 1981.

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