Cita APA

Smith, G. D. 1., Ahmad, N., & Forbes, T. R. 1. (1986). The Guy Smith interviews: Rationale for concepts in soil taxonomy. Washington: Soil Management Support Services.

Citación estilo Chicago

Smith, Guy D. 1907-1981, N. Ahmad, y Terence Robert 1946- Forbes. The Guy Smith Interviews: Rationale for Concepts in Soil Taxonomy. Washington: Soil Management Support Services, 1986.

Cita MLA

Smith, Guy D. 1907-1981, N. Ahmad, y Terence Robert 1946- Forbes. The Guy Smith Interviews: Rationale for Concepts in Soil Taxonomy. Washington: Soil Management Support Services, 1986.