APA (7th ed.) Citation

Sherman, E. B. (2004). Geocaching: Hike and seek with your GPS. Apress.

Chicago Style (17th ed.) Citation

Sherman, Erik B. Geocaching: Hike and Seek with Your GPS. Berkeley, CA: Apress, 2004.

MLA (9th ed.) Citation

Sherman, Erik B. Geocaching: Hike and Seek with Your GPS. Apress, 2004.

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