APA

Halacy D. S., . (1963). The coming age of solar energy. New York: Harper & Row.

Chicago

Halacy Daniel Stephen, . 1963. The coming age of solar energy. New York: Harper & Row.

Harvard

Halacy D. S., . (1963). The coming age of solar energy. New York: Harper & Row.

MLA

Halacy Daniel Stephen, . The coming age of solar energy. New York: Harper & Row. 1963.