APA (7th ed.) Citation

Gattaz, W. F., & Häfner, H. (1999). Search for the causes of schizophrenia. Search for the causes of schizophrenia.

Chicago Style (17th ed.) Citation

Gattaz, Wagner Farid, and Heinz Häfner. "Search for the Causes of Schizophrenia." Search for the Causes of Schizophrenia 1999.

MLA (9th ed.) Citation

Gattaz, Wagner Farid, and Heinz Häfner. "Search for the Causes of Schizophrenia." Search for the Causes of Schizophrenia, 1999.

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