Cita APA (7a ed.)

Merrell, F. (1996). Signs grow: Semiosis and life processes. University of Toronto Press.

Cita Chicago Style (17a ed.)

Merrell, Floyd. Signs Grow: Semiosis and Life Processes. Toronto [Ont.]: University of Toronto Press, 1996.

Cita MLA (8a ed.)

Merrell, Floyd. Signs Grow: Semiosis and Life Processes. University of Toronto Press, 1996.