APA (7th ed.) Citation

Fletcher, P. (2017). Bristlecone pines are ancient! Gareth Stevens Publishing.

Chicago Style (17th ed.) Citation

Fletcher, Patricia. Bristlecone Pines Are Ancient! New York: Gareth Stevens Publishing, 2017.

MLA (9th ed.) Citation

Fletcher, Patricia. Bristlecone Pines Are Ancient! Gareth Stevens Publishing, 2017.

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