APA Style
Allen, John L.. (2001).
ANNUAL EDITIONS ; ENVIRONMENT 00/01 , Nineteenth Edition (19th).
New York:
McGraw-Hill Book.
Chicago Style
Allen, John L..
ANNUAL EDITIONS ; ENVIRONMENT 00/01 , Nineteenth Edition.
19th
New York:
McGraw-Hill Book,
2001.
Text.
MLA Style
Allen, John L..
ANNUAL EDITIONS ; ENVIRONMENT 00/01 , Nineteenth Edition.
19th
New York:
McGraw-Hill Book,
2001.
Text.
Turabian Style
Allen, John L..
ANNUAL EDITIONS ; ENVIRONMENT 00/01 , Nineteenth Edition.
19th
New York:
McGraw-Hill Book,
2001.
Print.