Cita APA (7a ed.)

Jack-Roller, T., & Snodgrass, J. (1982). The Jack-Roller at seventy: A fifty-year follow-up. Lexington Books.

Cita Chicago Style (17a ed.)

Jack-Roller, The, y Jon Snodgrass. The Jack-Roller at Seventy: A Fifty-year Follow-up. Lexington, Mass. [u.a.]: Lexington Books, 1982.

Cita MLA (9a ed.)

Jack-Roller, The, y Jon Snodgrass. The Jack-Roller at Seventy: A Fifty-year Follow-up. Lexington Books, 1982.