APA
Marren P., . (2009). The Art of the New Naturalists. : HarperCollins (UK).
Chicago
Marren Peter, . 2009. The Art of the New Naturalists. : HarperCollins (UK).
Harvard
Marren P., . (2009). The Art of the New Naturalists. : HarperCollins (UK).
MLA
Marren Peter, . The Art of the New Naturalists. : HarperCollins (UK). 2009.