Cita APA (7th ed.)
WEST, R., & GRUNBERG, N. (1991). FUTURE DIRECTIONS IN TOBACCO RESEARCH.
Cita Chicago (17th ed.)
WEST, R., i N.E GRUNBERG. FUTURE DIRECTIONS IN TOBACCO RESEARCH. 1991.
Cita MLA (9th ed.)
WEST, R., i N.E GRUNBERG. FUTURE DIRECTIONS IN TOBACCO RESEARCH. 1991.
Atenció: Aquestes cites poden no estar 100% correctes.