APA Citation

Wittig, A. F. (1977). Theory and problems of introduction to psychology. European university studies.

Chicago Style Citation

Wittig, Arno F. Theory and Problems of Introduction to Psychology. European university studies, 1977.

MLA Citation

Wittig, Arno F. Theory and Problems of Introduction to Psychology. European university studies, 1977.

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