APA Style

HIILS', N., Jr, M, J, R. (2009). Keys to Positive Thinking (2/2009). Indonesia: Bhuana Ilmu Populer (Gramedia).

MLA Style

HIILS', Napoleon., Jr, Michael, J., RITT,. "Keys to Positive Thinking". 2/2009 Indonesia: Bhuana Ilmu Populer (Gramedia), 2009. Text.