What is a Law of Nature?

MLA

D. M. Armstrong. What Is a Law of Nature? Nov. 1983. EBSCOhost, https://doi.org/10.1017/cbo9781139171700.

APA

D. M. Armstrong. (1983). What is a Law of Nature? https://doi.org/10.1017/cbo9781139171700

Chicago

D. M. Armstrong. 1983. “What Is a Law of Nature?,” November. doi:10.1017/cbo9781139171700.