Cita APA (7th ed.)

Hanson, E. D., Lockard, J. D., & Jensch, p. F. (1980). Biology ; the science of life. Houghton Mifflin.

Cita Chicago (17th ed.)

Hanson, Earl D., J. David Lockard, i peter F. Jensch. Biology ; the Science of Life. Boston: Houghton Mifflin, 1980.

Cita MLA (9th ed.)

Hanson, Earl D., et al. Biology ; the Science of Life. Houghton Mifflin, 1980.