Cita APA (7a ed.)

Horn, M. W., Stewart, C. F., & Boulware, R. L. (1972). Capacity of pile anchors. California Division of Highways].

Cita Chicago Style (17a ed.)

Horn, M. W., C. F. Stewart, y R. L. Boulware. Capacity of Pile Anchors. [Sacramento, CA: California Division of Highways], 1972.

Cita MLA (9a ed.)

Horn, M. W., et al. Capacity of Pile Anchors. California Division of Highways], 1972.