Cita APA (7th ed.)

Spark Publishing. (2008). SparkNotes guide to AP biology. Spark Publishing.

Cita Chicago (17th ed.)

Spark Publishing. SparkNotes Guide to AP Biology. New York, NY: Spark Publishing, 2008.

Cita MLA (9th ed.)

Spark Publishing. SparkNotes Guide to AP Biology. Spark Publishing, 2008.