For Summer 2012 and moving forward: Author's full name, Title of article, volume no., Boston Bar J. (date of publication) 

i.e.,

Anne Pogue Donohue, Commonwealth v. Aviles and the Continuing Evolution of the First Complain Doctrine, 56 Boston Bar J. (Spring 2012)

For past articles up to Spring 2012 issue: Author's full name, Title of article, volume no., Boston Bar J. page on which article begins, span of pages cited (date of publication)

i.e.,

Anne Pogue Donohue, Commonwealth v. Aviles and the Continuing Evolution of the First Complain Doctrine, 56 Boston Bar J. 11,12 (Spring 2012)