APA Style

WORLD ECOLOGY. (2000). : TWO-CAN PUBLISHING.

Chicago Style

WORLD ECOLOGY. . : TWO-CAN PUBLISHING, 2000. Text.

MLA Style

WORLD ECOLOGY. . : TWO-CAN PUBLISHING, 2000. Text.

Turabian Style

WORLD ECOLOGY. : TWO-CAN PUBLISHING, 2000. Print.