Cita APA (7a ed.)

Purucker, M. I., & Spalding, C. S. (1972). Overdue: I'll Never Forget Where I Looked for Whatsisname in the Card Catalog.

Cita Chicago Style (17a ed.)

Purucker, Mary I., y C. Sumner Spalding. Overdue: I'll Never Forget Where I Looked for Whatsisname in the Card Catalog. 1972.

Cita MLA (9a ed.)

Purucker, Mary I., y C. Sumner Spalding. Overdue: I'll Never Forget Where I Looked for Whatsisname in the Card Catalog. 1972.