Gaya APA

al.], A, B, [, E. (2015). Differences in Electronic Cigarette Awareness, Use History, and Advertisement Exposure Between Black and White Hospitalized Cigarette Smokers ((2015) 30:648–654). New York: Springer Science Business Media.

Gaya MLA

al.], AngelaWarren, Baumann, [, Et. "Differences in Electronic Cigarette Awareness, Use History, and Advertisement Exposure Between Black and White Hospitalized Cigarette Smokers". (2015) 30:648–654 New York: Springer Science Business Media, 2015. e-journal.