APA (7th ed.) Citation

Hopf, A. L. (1969). The day of the drones ([1st ed.].). Norton.

Chicago Style (17th ed.) Citation

Hopf, Alice Lightner. The Day of the Drones. [1st ed.]. New York: Norton, 1969.

MLA (9th ed.) Citation

Hopf, Alice Lightner. The Day of the Drones. [1st ed.]. Norton, 1969.