APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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