APA (7th ed.) Citation

Mattheck, C. C., Lonsdale, D., & Breloer, H. (1994). The body language of trees: A handbook for failure analysis. HMSO.

Chicago Style (17th ed.) Citation

Mattheck, C. Claus, D. Lonsdale, and Helge Breloer. The Body Language of Trees: A Handbook for Failure Analysis. London: HMSO, 1994.

MLA (9th ed.) Citation

Mattheck, C. Claus, et al. The Body Language of Trees: A Handbook for Failure Analysis. HMSO, 1994.