APA (7th ed.) Citation

Spreen, O. (1978). Geistige Behinderung. Springer-Verlag.

Chicago Style (17th ed.) Citation

Spreen, Otfried. Geistige Behinderung. Berlin Heidelberg New York: Springer-Verlag, 1978.

MLA (8th ed.) Citation

Spreen, Otfried. Geistige Behinderung. Springer-Verlag, 1978.

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