Gaya APA

KRAMER, S., Cooper, C, L. (2001). Hidden worlds : looking through a scientist's microscope / Stephen Kramer . Boston: Houghton Mifflin Company.

Gaya MLA

KRAMER, Stephen., Cooper, Cary, L.. "Hidden worlds : looking through a scientist's microscope / Stephen Kramer". Boston: Houghton Mifflin Company, 2001. Text.