Cita APA (7th ed.)
DK Publishing, Inc, Love, C., Stamps, C., & Morgan, B. (2008). First science encyclopedia (1st American ed.). DK Publishing.
Cita Chicago (17th ed.)
DK Publishing, Inc, Currie Love, Caroline Stamps, i Ben Morgan. First Science Encyclopedia. 1st American ed. New York, NY: DK Publishing, 2008.
Cita MLA (9th ed.)
DK Publishing, Inc, et al. First Science Encyclopedia. 1st American ed. DK Publishing, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.