APA

Sánchez P. a., . (1976). Properties and management of soils in the tropics. New York: John Wiley & Sons.

Chicago

Sánchez Pedro a, . 1976. Properties and management of soils in the tropics. New York: John Wiley & Sons.

Harvard

Sánchez P. a., . (1976). Properties and management of soils in the tropics. New York: John Wiley & Sons.

MLA

Sánchez Pedro a, . Properties and management of soils in the tropics. New York: John Wiley & Sons. 1976.