Cita APA (7a ed.)

Richardson, J. T., Harris, A. F., Sparks, O. C., & Fox, K. (1979). Life science (Teacher's edition.). Silver Burdett.

Cita Chicago Style (17a ed.)

Richardson, Jenne Taylor, Anne F. Harris, Oliver Crosby Sparks, y Kathryn Fox. Life Science. Teacher's edition. Morristown, N.J: Silver Burdett, 1979.

Cita MLA (9a ed.)

Richardson, Jenne Taylor, et al. Life Science. Teacher's edition. Silver Burdett, 1979.