Gaya APA

Howell, F, C. (1980). Pustaka Alam Life: Manusia Purba (Ed. 2. Cet. 1--). Jakarta: Tira Pustaka.

Gaya MLA

Howell, F., Clark. "Pustaka Alam Life: Manusia Purba". Ed. 2. Cet. 1-- Jakarta: Tira Pustaka, 1980. Text.