APA (7th ed.) Zitazioa

Weir, W. W. (1936). Soil science: Its, principles and practice. J. B. Lippincott.

Chicago Style (17th ed.) Zitazioa

Weir, Wilbert Walter. Soil Science: Its, Principles and Practice. Chicago: J. B. Lippincott, 1936.

MLA (9th ed.) Zitazioa

Weir, Wilbert Walter. Soil Science: Its, Principles and Practice. J. B. Lippincott, 1936.