APA (7th ed.) Citation

Social Science Research Council (U.S.), Hartup, W. W., & Rubin, Z. (1986). Relationships and development. L. Erlbaum Associates.

Chicago Style (17th ed.) Citation

Social Science Research Council (U.S.), Willard W. Hartup, and Zick Rubin. Relationships and Development. Hillsdale, N.J.: L. Erlbaum Associates, 1986.

MLA (9th ed.) Citation

Social Science Research Council (U.S.), et al. Relationships and Development. L. Erlbaum Associates, 1986.