Παραπομπή σε μορφή APA (7η εκδ.)
Porter, D. M., & Graham, P. W. (2016). Darwin's sciences: How Charles Darwin voyaged from rocks to worms in his search for facts to explain how the earth, its geological features, and its inhabitants evolved. Wiley Blackwell.
Παραπομπή σε μορφή Chicago (17η εκδ.)
Porter, Duncan M., και Peter W. Graham. Darwin's Sciences: How Charles Darwin Voyaged from Rocks to Worms in His Search for Facts to Explain How the Earth, Its Geological Features, and Its Inhabitants Evolved. Chichester, [England]: Wiley Blackwell, 2016.
Παραπομπή σε μορφή MLA (9th εκδ.)
Porter, Duncan M., και Peter W. Graham. Darwin's Sciences: How Charles Darwin Voyaged from Rocks to Worms in His Search for Facts to Explain How the Earth, Its Geological Features, and Its Inhabitants Evolved. Wiley Blackwell, 2016.
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