APA (7th ed.) Citation

Co-operation in land tillage. Cassell, Petter, Galpin.

Chicago Style (17th ed.) Citation

Co-operation in Land Tillage. London u.a: Cassell, Petter, Galpin.

MLA (9th ed.) Citation

Co-operation in Land Tillage. Cassell, Petter, Galpin.

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