Cita APA (7a ed.)

International Congress of soil science.9. (1968). Transactions. International society of soil science.

Cita Chicago Style (17a ed.)

International Congress of soil science.9. Transactions. Sydney - AUST: International society of soil science, 1968.

Cita MLA (8a ed.)

International Congress of soil science.9. Transactions. International society of soil science, 1968.