APA način citiranja

Helder, J. (1994). Tuber formation in the wild potato species solanum demissum lindl. Wageningen Agricultural University.

Čikaški stil citiranja

Helder, J. Tuber Formation in the Wild Potato Species Solanum Demissum Lindl. Wageningen: Wageningen Agricultural University, 1994.

MLA način citiranja

Helder, J. Tuber Formation in the Wild Potato Species Solanum Demissum Lindl. Wageningen Agricultural University, 1994.