Gaya APA

Blum, D. et al (2006). A field guide for science writers : the officical guide of the national association of science writers (2). Oxford: Oxford Univeristy.

Gaya MLA

Blum, Deborah. et al. "A field guide for science writers : the officical guide of the national association of science writers". 2 Oxford: Oxford Univeristy, 2006. Text.