APA (7th ed.) Citation

Edwards, L., & Calderwood, G. (2006). The vortex of life: Nature's patterns in space and time (2nd ed.). Floris Books.

Chicago Style (17th ed.) Citation

Edwards, Lawrence, and Graham Calderwood. The Vortex of Life: Nature's Patterns in Space and Time. 2nd ed. Edinburgh: Floris Books, 2006.

MLA (9th ed.) Citation

Edwards, Lawrence, and Graham Calderwood. The Vortex of Life: Nature's Patterns in Space and Time. 2nd ed. Floris Books, 2006.