APA (7th ed.) Citation
Shepherd, W., & Shepherd, D. (2010). Problems and solutions: Energy studies (1.vyd. dotlač.). Imperial College Press.
Chicago Style (17th ed.) Citation
Shepherd, W., and D.W Shepherd. Problems and Solutions: Energy Studies. 1.vyd. dotlač. London: Imperial College Press, 2010.
MLA (9th ed.) Citation
Shepherd, W., and D.W Shepherd. Problems and Solutions: Energy Studies. 1.vyd. dotlač. Imperial College Press, 2010.
Warning: These citations may not always be 100% accurate.