APA (7th ed.) Citation

Teunissen, P., & Teunissen, P. (2000). Adjustment theory: An introduction. VSSD Press.

Chicago Style (17th ed.) Citation

Teunissen, Peter, and P. Teunissen. Adjustment Theory: An Introduction. VSSD Press, 2000.

MLA (9th ed.) Citation

Teunissen, Peter, and P. Teunissen. Adjustment Theory: An Introduction. VSSD Press, 2000.

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