Cita APA

Blecher, E., & van Walbeek, C. P. (2004). An international analysis of cigarette affordability. BMJ Group.

Citación estilo Chicago

Blecher, E., y C P. van Walbeek. An International Analysis of Cigarette Affordability. BMJ Group, 2004.

Cita MLA

Blecher, E., y C P. van Walbeek. An International Analysis of Cigarette Affordability. BMJ Group, 2004.