APA Style

Hesselbein, F. et al (1977). The Leader of The Future (Cet. 2). Jakarta: PT Elex Media Komputindo Kelompok Gramedia.

MLA Style

Hesselbein, Frances. et al. "The Leader of The Future". Cet. 2 Jakarta: PT Elex Media Komputindo Kelompok Gramedia, 1977. Text.