APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.