APA (7th ed.) Citation

International Congress of Psychotherapy Wiesbaden & Spoerri, T. (1969). Proceedings of the 7th International Congress of Psychotherapy: Wiesbaden, 21-26 August 1967. Karger.

Chicago Style (17th ed.) Citation

International Congress of Psychotherapy Wiesbaden and Theodor Spoerri. Proceedings of the 7th International Congress of Psychotherapy: Wiesbaden, 21-26 August 1967. Basel [u.a.]: Karger, 1969.

MLA (9th ed.) Citation

International Congress of Psychotherapy Wiesbaden and Theodor Spoerri. Proceedings of the 7th International Congress of Psychotherapy: Wiesbaden, 21-26 August 1967. Karger, 1969.