Παραπομπή APA

Hammond, A. L., Metz, W. D., & Maugh, T. H. (1973). Energy and the future. Washington,: American Association for the Advancement of Science.

Παραπομπή Chicago Style

Hammond, Allen L., William D. Metz, and Thomas H. Maugh. Energy and the Future. Washington,: American Association for the Advancement of Science, 1973.

Παραπομπή MLA

Hammond, Allen L., William D. Metz, and Thomas H. Maugh. Energy and the Future. Washington,: American Association for the Advancement of Science, 1973.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.