APA Style

Allen, John L.. (2000). Environment 00/01 Annual Edition (Nineteenth). USA: McGraw Hill Companies.

Chicago Style

Allen, John L.. Environment 00/01 Annual Edition. Nineteenth USA: McGraw Hill Companies, 2000. Text.

MLA Style

Allen, John L.. Environment 00/01 Annual Edition. Nineteenth USA: McGraw Hill Companies, 2000. Text.

Turabian Style

Allen, John L.. Environment 00/01 Annual Edition. Nineteenth USA: McGraw Hill Companies, 2000. Print.