Cita APA (7th ed.)

Scheckler, S. E., Hill, S. A., & Taylor, D. (2003). Plant biology tutor [computer file]. Bartlett Publishers.

Cita Chicago (17th ed.)

Scheckler, Stephen E., Stewart A. Hill, i David Taylor. Plant Biology Tutor [computer File]. Sudbury, MA: Bartlett Publishers, 2003.

Cita MLA (9th ed.)

Scheckler, Stephen E., et al. Plant Biology Tutor [computer File]. Bartlett Publishers, 2003.