Cita APA

Gale Research Inc. (1994). Encyclopedia of endangered species. Detroit: Gale Research.

Chicago Style Citation

Gale Research Inc. Encyclopedia of Endangered Species. Detroit: Gale Research, 1994.

Cita MLA

Gale Research Inc. Encyclopedia of Endangered Species. Detroit: Gale Research, 1994.

Atenció: Aquestes cites poden no estar 100% correctes.