APA (7th ed.) Citation

Magna Systems, Learning Seed Company, Herzog, M., & Herzog, S. (1993). Self identity and sex role development. Learning Seed.

Chicago Style (17th ed.) Citation

Magna Systems, Learning Seed Company, Milan Herzog, and Shanta Herzog. Self Identity and Sex Role Development. Chicago, IL: Learning Seed, 1993.

MLA (9th ed.) Citation

Magna Systems, et al. Self Identity and Sex Role Development. Learning Seed, 1993.