APA (7th ed.) Citation

Seligman, M. E. P., Reivich, K., Jaycox, L., & Gillham, J. E. (1995). The optimistic child. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Seligman, Martin E. P., Karen Reivich, Lisa Jaycox, and Jane E. Gillham. The Optimistic Child. Boston [etc.]: Houghton Mifflin, 1995.

MLA (9th ed.) Citation

Seligman, Martin E. P., et al. The Optimistic Child. Houghton Mifflin, 1995.