APA-referens (7:e uppl.)

Rushforth, S. R. (1976). The plant kingdom: Evolution and form. Prentice-Hall.

Chicago-referens (17:e uppl.)

Rushforth, Samuel R. The Plant Kingdom: Evolution and Form. Englewood Cliffs, N.J: Prentice-Hall, 1976.

MLA-referens (9:e uppl.)

Rushforth, Samuel R. The Plant Kingdom: Evolution and Form. Prentice-Hall, 1976.