APA引文

Fay, I. G. (1946). A workbook in field crops and soils.

Chicago Style (17th ed.) Citation

Fay, Ivan Glen. A Workbook in Field Crops and Soils. Madison, Wis. : State Board of Vocational and Adult Education, 1946.

MLA引文

Fay, Ivan Glen. A Workbook in Field Crops and Soils. 1946.