APA Edition Citation

SPECHT R.L. Ecosystems of world 9A. ELSEVIER SCIENTIFIC PUBLISHING COMPANY.

Chicago Edition Citation

SPECHT R.L. Ecosystems of World 9A. ELSEVIER SCIENTIFIC PUBLISHING COMPANY.

MLA Edition Citation

SPECHT R.L. Ecosystems of World 9A. ELSEVIER SCIENTIFIC PUBLISHING COMPANY.

Warning: These citations may not always be 100% accurate.