Style de citation APA

GURCHARAN SINGH. (1999). Plant systematics. Enfield, New Hampshire: Science.

Style de citation Chicago

GURCHARAN SINGH. Plant Systematics. Enfield, New Hampshire: Science, 1999.

Style de citation MLA

GURCHARAN SINGH. Plant Systematics. Enfield, New Hampshire: Science, 1999.

Attention : ces citations peuvent ne pas être correctes à 100%.