APA (7th ed.) Citation

(1991). Biological markers of depression: state of the art: Proceedings of the International Congress on Biological Markers of Depression: State of the Art, held in Liège, Belgium, on 13 - 15 June, 1990. Excerpta Medica.

Chicago Style (17th ed.) Citation

Biological Markers of Depression: State of the Art: Proceedings of the International Congress on Biological Markers of Depression: State of the Art, Held in Liège, Belgium, on 13 - 15 June, 1990. Amsterdam u.a: Excerpta Medica, 1991.

MLA (9th ed.) Citation

Biological Markers of Depression: State of the Art: Proceedings of the International Congress on Biological Markers of Depression: State of the Art, Held in Liège, Belgium, on 13 - 15 June, 1990. Excerpta Medica, 1991.

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