APA (7th ed.) Citation

Sill, B., Sill, C., & Sill, J. (2013). A field guide to little-known & seldom-seen birds of North America. Peachtree Publishers.

Chicago Style (17th ed.) Citation

Sill, Ben, Cathryn Sill, and John Sill. A Field Guide to Little-known & Seldom-seen Birds of North America. Georgia: Peachtree Publishers, 2013.

MLA (9th ed.) Citation

Sill, Ben, et al. A Field Guide to Little-known & Seldom-seen Birds of North America. Peachtree Publishers, 2013.