Cita APA (7a ed.)

Energy and Man's Environment. Conservation of energy: Idea and activity guide. Energy and Man's Environment.

Cita Chicago Style (17a ed.)

Energy and Man's Environment. Conservation of Energy: Idea and Activity Guide. Portland, OR: Energy and Man's Environment.

Cita MLA (9a ed.)

Energy and Man's Environment. Conservation of Energy: Idea and Activity Guide. Energy and Man's Environment.