Παραπομπή σε μορφή APA (7η εκδ.)

European Ecology Symposium, Eijsackers, H., & Quispel, A. (1988). Ecological implications of contemporary agriculture: Proceedings of the 4th European Ecology Symposium, 7-12 September 1986, Wageningen. Munksgaard International.

Παραπομπή σε μορφή Chicago (17η εκδ.)

European Ecology Symposium, H. Eijsackers, και A. Quispel. Ecological Implications of Contemporary Agriculture: Proceedings of the 4th European Ecology Symposium, 7-12 September 1986, Wageningen. Copenhagen, Denmark: Munksgaard International, 1988.

Παραπομπή σε μορφή MLA (9th εκδ.)

European Ecology Symposium, et al. Ecological Implications of Contemporary Agriculture: Proceedings of the 4th European Ecology Symposium, 7-12 September 1986, Wageningen. Munksgaard International, 1988.