APA (7th ed.) Citation

Stiles, D. R., & Stiles, J. (1998). Tree houses you can actually build. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Stiles, David R., and Jeanie Stiles. Tree Houses You Can Actually Build. Boston: Houghton Mifflin, 1998.

MLA (8th ed.) Citation

Stiles, David R., and Jeanie Stiles. Tree Houses You Can Actually Build. Houghton Mifflin, 1998.

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