Franklin

MLA

Hubble, Edwin. The Nature of Science, and Other Lectures. San Marino, Calif.: Huntington Library, 1954.

APA

Hubble, E. (1954). The nature of science, and other lectures. San Marino, Calif.: Huntington Library.

Chicago

Hubble, Edwin, The Nature of Science, and Other Lectures. San Marino, Calif.: Huntington Library, 1954.