Gaya APA

Seligman, M, E., Yogaprananta, B. (2008). Menginstal Optimisme (Ed. 1). Bandung: Momentum.

Gaya MLA

Seligman, Martin, E.P., Yogaprananta, Budhy. "Menginstal Optimisme". Ed. 1 Bandung: Momentum, 2008. Text.