Cita APA (7a ed.)

Baum, J. (1985). One step over the line: A no-nonsense guide to recognizing and treating cocaine dependency. Harper & Row.

Cita Chicago Style (17a ed.)

Baum, Joanne. One Step over the Line: A No-nonsense Guide to Recognizing and Treating Cocaine Dependency. San Francisco [u.a.]: Harper & Row, 1985.

Cita MLA (8a ed.)

Baum, Joanne. One Step over the Line: A No-nonsense Guide to Recognizing and Treating Cocaine Dependency. Harper & Row, 1985.