APA (7th ed.) Citation

Hirschfeld, R. M. A. (1991). Depressive illness - diagnostic issues.

Chicago Style (17th ed.) Citation

Hirschfeld, R. M. A. Depressive Illness - Diagnostic Issues. 1991.

MLA (8th ed.) Citation

Hirschfeld, R. M. A. Depressive Illness - Diagnostic Issues. 1991.

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