Cita APA

Liebherr, H. G., & Peterson, G. E. (1966). The teacher and BSCS special materials. Boulder: American Institute of Biological Sciences.

Citación estilo Chicago

Liebherr, Harold G., y Glen E. Peterson. The Teacher and BSCS Special Materials. Boulder: American Institute of Biological Sciences, 1966.

Cita MLA

Liebherr, Harold G., y Glen E. Peterson. The Teacher and BSCS Special Materials. Boulder: American Institute of Biological Sciences, 1966.