APA (7th ed.) Citation

Graumann, C. F., & Kruse-Graumann, L. (1990). The environment: Social construction and psychological problems. Societal psychology.

Chicago Style (17th ed.) Citation

Graumann, Carl F., and Lenelis Kruse-Graumann. "The Environment: Social Construction and Psychological Problems." Societal Psychology 1990.

MLA (9th ed.) Citation

Graumann, Carl F., and Lenelis Kruse-Graumann. "The Environment: Social Construction and Psychological Problems." Societal Psychology, 1990.