APA (7th ed.) Citation

Barker, R. L. (1999). Milestones. NASW Press.

Chicago Style (17th ed.) Citation

Barker, Robert L. Milestones. Washington, DC: NASW Press, 1999.

MLA (9th ed.) Citation

Barker, Robert L. Milestones. NASW Press, 1999.

Warning: These citations may not always be 100% accurate.