APA (7th ed.) Citation
FERREY, G., & ET AL. (1994). PSICOPATOLOGIA DEL ANCIANO. MANUAL. MASSON.
Chicago Style (17th ed.) Citation
FERREY, G., and ET AL. PSICOPATOLOGIA DEL ANCIANO. MANUAL. BARCELONA: MASSON, 1994.
MLA (9th ed.) Citation
FERREY, G., and ET AL. PSICOPATOLOGIA DEL ANCIANO. MANUAL. MASSON, 1994.
Warning: These citations may not always be 100% accurate.