Παραπομπή σε μορφή APA (7η εκδ.)

Havighurst, R. J., Contributors, A., & Committee, Y. (1968). Metropolitanism its challenge to education. National Society for the Study of Education.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Havighurst, Robert J., Associated Contributors, και Yearbook Committee. Metropolitanism Its Challenge to Education. National Society for the Study of Education, 1968.

Παραπομπή σε μορφή MLA (8th εκδ.)

Havighurst, Robert J., et al. Metropolitanism Its Challenge to Education. National Society for the Study of Education, 1968.