Cita APA

Author's, Gray, J. C., & Gray, R. (1948). Nature and sources of the law from the author's notes (2nd ed.). Macmillan.

Citación estilo Chicago

Author's, John Chipman Gray, and Roland Gray. Nature and Sources of the Law from the Author's Notes. 2nd ed. New York: Macmillan, 1948.

Cita MLA

Author's, et al. Nature and Sources of the Law from the Author's Notes. 2nd ed. Macmillan, 1948.