Humphrey, T., Tanner, M., & Jenks, A. (1977). A guide to the Exploratorium exhibits 1. Exploratorium.
Cita Chicago (17th ed.)Humphrey, Thomas, Marcia Tanner, i Aleta Jenks. A Guide to the Exploratorium Exhibits 1. [San Francisco, Calif.]: Exploratorium, 1977.
Cita MLA (9th ed.)Humphrey, Thomas, et al. A Guide to the Exploratorium Exhibits 1. Exploratorium, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.