Cita APA (7th ed.)

Johnson, K. D., Rayle, D. L., & Wedberg, . H. L. (1984). Biology: An introduction. The Benjamin/ Cummings.

Cita Chicago (17th ed.)

Johnson, Kenneth D., David L. Rayle, i Hale L. Wedberg. Biology: An Introduction. Reading, Mass.: The Benjamin/ Cummings, 1984.

Cita MLA (9th ed.)

Johnson, Kenneth D., et al. Biology: An Introduction. The Benjamin/ Cummings, 1984.