Gaya APA

Portmann, A. (1983). Time in the life of the organism. Dlm: Man and time.Ed.by Campbell, Joseph.1983, Princeton. . : .

Gaya MLA

Portmann, Adolf. "Time in the life of the organism. Dlm: Man and time.Ed.by Campbell, Joseph.1983, Princeton.". : , 1983. Majalah.