Cita APA

Encyclopaedia Britannica Educational Corporation, & Encyclopaedia Britannica Educational Corporation. (1900). Volcano: The birth of a mountain. Chicago, III.: Encyclopaedia Britannica Educational Corp.

Citación estilo Chicago

Encyclopaedia Britannica Educational Corporation, y Encyclopaedia Britannica Educational Corporation. Volcano: The Birth of a Mountain. Chicago, III.: Encyclopaedia Britannica Educational Corp, 1900.

Cita MLA

Encyclopaedia Britannica Educational Corporation, y Encyclopaedia Britannica Educational Corporation. Volcano: The Birth of a Mountain. Chicago, III.: Encyclopaedia Britannica Educational Corp, 1900.