APA (7th ed.) Citation

Macfarlane, M., & George, S. (1987). Assessment of methods for measuring available nitrogen, potassium, calcium, manganesium, zinc, copper, manganese and iron in soils or [sic] Papua [sic] New Guinea. Dept. of Agriculture and Livestock.

Chicago Style (17th ed.) Citation

Macfarlane, Mary, and Simon George. Assessment of Methods for Measuring Available Nitrogen, Potassium, Calcium, Manganesium, Zinc, Copper, Manganese and Iron in Soils or [sic] Papua [sic] New Guinea. [Port Moresby]: Dept. of Agriculture and Livestock, 1987.

MLA (9th ed.) Citation

Macfarlane, Mary, and Simon George. Assessment of Methods for Measuring Available Nitrogen, Potassium, Calcium, Manganesium, Zinc, Copper, Manganese and Iron in Soils or [sic] Papua [sic] New Guinea. Dept. of Agriculture and Livestock, 1987.

Warning: These citations may not always be 100% accurate.