APA
(1976). AMERICAN ORCHID SOCIETY BULLETIN. : AMERICAN ORCHID SOCIETY.
Chicago
1976. AMERICAN ORCHID SOCIETY BULLETIN. : AMERICAN ORCHID SOCIETY.
Harvard
(1976). AMERICAN ORCHID SOCIETY BULLETIN. : AMERICAN ORCHID SOCIETY.
MLA
AMERICAN ORCHID SOCIETY BULLETIN. : AMERICAN ORCHID SOCIETY. 1976.