Παραπομπή σε μορφή APA (7η εκδ.)

European Conference on Rural Hygiene Geneva. (1931). European Conference on Rural Hygiene: June 29th to Jyly 7th, 1931.

Παραπομπή σε μορφή Chicago (17η εκδ.)

European Conference on Rural Hygiene Geneva. European Conference on Rural Hygiene: June 29th to Jyly 7th, 1931. Geneva, 1931.

Παραπομπή σε μορφή MLA (8th εκδ.)

European Conference on Rural Hygiene Geneva. European Conference on Rural Hygiene: June 29th to Jyly 7th, 1931. 1931.