APA
Ripple W. J., Wolf C., Newsome T. M., Hoffmann M., Wirsing A. J. & McCauley D. J. (20180620). Reply to Kalinkat et al.: Smallest terrestrial vertebrates are highly imperiled. : Proceedings of the National Academy of Sciences of the United States of America.
Chicago
Ripple William J, Wolf Christopher, Newsome Thomas M, Hoffmann Michael, Wirsing Aaron J and McCauley Douglas J. 20180620. Reply to Kalinkat et al.: Smallest terrestrial vertebrates are highly imperiled. : Proceedings of the National Academy of Sciences of the United States of America.
Harvard
Ripple W. J., Wolf C., Newsome T. M., Hoffmann M., Wirsing A. J. and McCauley D. J. (20180620). Reply to Kalinkat et al.: Smallest terrestrial vertebrates are highly imperiled. : Proceedings of the National Academy of Sciences of the United States of America.
MLA
Ripple William J, Wolf Christopher, Newsome Thomas M, Hoffmann Michael, Wirsing Aaron J and McCauley Douglas J. Reply to Kalinkat et al.: Smallest terrestrial vertebrates are highly imperiled. : Proceedings of the National Academy of Sciences of the United States of America. 20180620.