Cita APA (7a ed.)

Petersham, M. F., & Petersham, M. (1948). The story book of corn. John C. Winston.

Cita Chicago Style (17a ed.)

Petersham, Maud Fuller, y Miska Petersham. The Story Book of Corn. Chicago [etc.]: John C. Winston, 1948.

Cita MLA (9a ed.)

Petersham, Maud Fuller, y Miska Petersham. The Story Book of Corn. John C. Winston, 1948.