Journal of researches. Vol. 1
MLA
Darwin, Charles, Paul H Barrett, and R. B Freeman. Journal of Researches. The Works of Charles Darwin. [London]: Routledge, 2017
APA, 7th edition
Darwin, C., Barrett, P. H., & Freeman, R. B. (2017). Journal of researches. The works of Charles Darwin. [London]: Routledge
Chicago, 17th edition
Darwin, Charles, Paul H. Barrett, and R. B Freeman. Journal of researches. The works of Charles Darwin. [London]: Routledge, 2017