APA Style
Martina, G.
(1982).
Wonderful world of knowledge : Treasures of the earth
(
8)
.
Danbury:
Grolier Enterpries.
MLA Style
Martina, Guido.
"Wonderful world of knowledge : Treasures of the earth".
8
Danbury:
Grolier Enterpries,
1982.
Text.