APA
Buckley PA, . (1976). Guidelines for Protection and managament of Colonially Nesting Waterbirds. BOSTON: NATIONAL PARK SERVICE.
Chicago
Buckley PA, . 1976. Guidelines for Protection and managament of Colonially Nesting Waterbirds. BOSTON: NATIONAL PARK SERVICE.
Harvard
Buckley PA, . (1976). Guidelines for Protection and managament of Colonially Nesting Waterbirds. BOSTON: NATIONAL PARK SERVICE.
MLA
Buckley PA, . Guidelines for Protection and managament of Colonially Nesting Waterbirds. BOSTON: NATIONAL PARK SERVICE. 1976.