Cita APA

Encyclopaedia Britannica Educational Corporation, & Encyclopaedia Britannica Educational Corporation. (1973). Energy: A matter of choices. Chicago, III.: Encyclopaedia Britannica Educational Corp.

Citación estilo Chicago

Encyclopaedia Britannica Educational Corporation, y Encyclopaedia Britannica Educational Corporation. Energy: A Matter of Choices. Chicago, III.: Encyclopaedia Britannica Educational Corp, 1973.

Cita MLA

Encyclopaedia Britannica Educational Corporation, y Encyclopaedia Britannica Educational Corporation. Energy: A Matter of Choices. Chicago, III.: Encyclopaedia Britannica Educational Corp, 1973.