Cita APA (7a ed.)

Capper, P. L., Fisher Cassie, W., & Geddes, J. D. (1968). Problems in engineering soils. Spo.

Cita Chicago Style (17a ed.)

Capper, P. Leonard, W. Fisher Cassie, y J. D. Geddes. Problems in Engineering Soils. London: Spo, 1968.

Cita MLA (9a ed.)

Capper, P. Leonard, et al. Problems in Engineering Soils. Spo, 1968.