Gaya APA

Cicero, N., Hernandez, A. (2017). How The Universe Works: An Illustrated Guide to The Cosmos and All We Khow About It (Cet. 1). New York: Chartwell Books.

Gaya MLA

Cicero, Nuria., Hernandez, Alberto. "How The Universe Works: An Illustrated Guide to The Cosmos and All We Khow About It". Cet. 1 New York: Chartwell Books, 2017. Text.