Cita APA

Ennos,Roland, & Sheffield,Elizabeth. (2000). Plant Life. Black Well.

Chicago Edition Citation

Ennos,Roland, i Sheffield,Elizabeth. Plant Life. New Delhi: Black Well, 2000.

Cita MLA

Ennos,Roland, i Sheffield,Elizabeth. Plant Life. Black Well, 2000.

Atenció: Aquestes cites poden no estar 100% correctes.