APA način citiranja

Hawksworth,David L, . K. P. M. e., & Clarke , S. D. (1997). Biodiversity information: Needs and Options. CABI.

Čikaški stil citiranja

Hawksworth,David L, Kirk Paul M ed, i Stella Dextre Clarke. Biodiversity Information: Needs and Options. uk: CABI, 1997.

MLA način citiranja

Hawksworth,David L, Kirk Paul M ed, i Stella Dextre Clarke. Biodiversity Information: Needs and Options. CABI, 1997.