APA Style
The Encylopaedia of Birds. (1986).
[s.l.]:
Grolier International.
Chicago Style
The Encylopaedia of Birds.
.
[s.l.]:
Grolier International,
1986.
Buku.
MLA Style
The Encylopaedia of Birds.
.
[s.l.]:
Grolier International,
1986.
Buku.
Turabian Style
The Encylopaedia of Birds.
[s.l.]:
Grolier International,
1986.
Buku.