APA (7th ed.) Citation

Louttit, R. T., & Hofer, M. (1971). Moderne psychologische Forschung. Moderne psychologische Forschung.

Chicago Style (17th ed.) Citation

Louttit, Richard T., and Manfred Hofer. "Moderne Psychologische Forschung." Moderne Psychologische Forschung 1971.

MLA (9th ed.) Citation

Louttit, Richard T., and Manfred Hofer. "Moderne Psychologische Forschung." Moderne Psychologische Forschung, 1971.

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