Cita APA (7a ed.)

Robbins, L. M., & Gantt, R. (1985). Footprints: Coll., analysis, and interpretation. Thomas.

Cita Chicago Style (17a ed.)

Robbins, Louise M., y Richard Gantt. Footprints: Coll., Analysis, and Interpretation. Springfield, Ill: Thomas, 1985.

Cita MLA (8a ed.)

Robbins, Louise M., y Richard Gantt. Footprints: Coll., Analysis, and Interpretation. Thomas, 1985.