APA (7th ed.) Citation

Coombs, P., Evans, M., & Hardy, P. E. (2020). Pastel painting step-by-step. Search Press.

Chicago Style (17th ed.) Citation

Coombs, Peter, Margaret Evans, and Paul E. Hardy. Pastel Painting Step-by-step. Tunbridge Wells, Kent [England]: Search Press, 2020.

MLA (8th ed.) Citation

Coombs, Peter, et al. Pastel Painting Step-by-step. Search Press, 2020.

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