APA (7th ed.) Citation

Sagoff, M. (2019). When is it co-evolution? A reply to Steen and co-authors. Biology & Philosophy, 34(1), 1. https://doi.org/10.1007/s10539-018-9656-9

Chicago Style (17th ed.) Citation

Sagoff, Mark. "When Is It Co-evolution? A Reply to Steen and Co-authors." Biology & Philosophy 34, no. 1 (2019): 1. https://doi.org/10.1007/s10539-018-9656-9.

MLA (9th ed.) Citation

Sagoff, Mark. "When Is It Co-evolution? A Reply to Steen and Co-authors." Biology & Philosophy, vol. 34, no. 1, 2019, p. 1, https://doi.org/10.1007/s10539-018-9656-9.