APA (7th ed.) Citation

Häfner, H. (2005). Psychosis and cannabis. Universidade de São Paulo.

Chicago Style (17th ed.) Citation

Häfner, Heinz. Psychosis and Cannabis. Universidade de São Paulo, 2005.

MLA (8th ed.) Citation

Häfner, Heinz. Psychosis and Cannabis. Universidade de São Paulo, 2005.

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