APA Style
SIBLEY, CHARLES GOLD. (1990).
PHYLOGENY AND CLASSIFICATION OF BIRDS .
NEW YORK:
ACADEMIC PRESS,.
Chicago Style
SIBLEY, CHARLES GOLD.
PHYLOGENY AND CLASSIFICATION OF BIRDS.
NEW YORK:
ACADEMIC PRESS,,
1990.
Text.
MLA Style
SIBLEY, CHARLES GOLD.
PHYLOGENY AND CLASSIFICATION OF BIRDS.
NEW YORK:
ACADEMIC PRESS,,
1990.
Text.
Turabian Style
SIBLEY, CHARLES GOLD.
PHYLOGENY AND CLASSIFICATION OF BIRDS.
NEW YORK:
ACADEMIC PRESS,,
1990.
Print.