APA (7th ed.) Citation

ScienceDirect (Online service), Brown, A. A., & Neuberger, E. (1977). Internal migration: A comparative perspective. Academic Press.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), Alan A. Brown, and Egon Neuberger. Internal Migration: A Comparative Perspective. New York: Academic Press, 1977.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Internal Migration: A Comparative Perspective. Academic Press, 1977.