APA (7th ed.) Citation

Ahlborn, R. E., & Marcus, J. (1976). The Popular Smithsonian: A guide to ourselves / Richard E. Ahlborn ... [et. al.] ; photos by Joan Marcus ; cover design by Martha Scheele. Popular Press.

Chicago Style (17th ed.) Citation

Ahlborn, Richard E., and Joan Marcus. The Popular Smithsonian: A Guide to Ourselves / Richard E. Ahlborn ... [et. Al.] ; Photos by Joan Marcus ; Cover Design by Martha Scheele. Bowling Green, Ohio: Popular Press, 1976.

MLA (9th ed.) Citation

Ahlborn, Richard E., and Joan Marcus. The Popular Smithsonian: A Guide to Ourselves / Richard E. Ahlborn ... [et. Al.] ; Photos by Joan Marcus ; Cover Design by Martha Scheele. Popular Press, 1976.