Dyfyniad APA
Crichton, M. (1969). The Andromeda strain ([1st ed.].). Knopf; [distributed by Random House].
Dyfyniad Arddull Chicago
Crichton, Michael. The Andromeda Strain. [1st ed.]. New York: Knopf; [distributed by Random House], 1969.
Dyfyniad MLA
Crichton, Michael. The Andromeda Strain. [1st ed.]. Knopf; [distributed by Random House], 1969.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.