APA (7th ed.) Citation
PENICK, E., & ET AL. A COMPARATIVE STUDY OF FAMILIAL ALCOHOLISM.
Chicago Style (17th ed.) Citation
PENICK, E.C, and ET AL. A COMPARATIVE STUDY OF FAMILIAL ALCOHOLISM.
MLA (9th ed.) Citation
PENICK, E.C, and ET AL. A COMPARATIVE STUDY OF FAMILIAL ALCOHOLISM.
Warning: These citations may not always be 100% accurate.