APA (7th ed.) Citation

Sears, W., Sears, M., Sears, R., & Sears, J. (2006). The Baby Book. PT. Serambi Ibnu Sumitra.

Chicago Style (17th ed.) Citation

Sears, Williams, Martha Sears, Robert Sears, and James Sears. The Baby Book. PT. Serambi Ibnu Sumitra, 2006.

MLA (9th ed.) Citation

Sears, Williams, et al. The Baby Book. PT. Serambi Ibnu Sumitra, 2006.