Cita APA (7th ed.)

Comber, N. M., Jones, H. T., Willcox, J. S., & Townsend, W. N. (1964). An introduction to agricultural chemistry (3rd ed. by J. S. Willcox and W. N. Townsend.). E. Arnold.

Cita Chicago (17th ed.)

Comber, Norman M., Hugh Trefor Jones, J. S. Willcox, i W. N. Townsend. An Introduction to Agricultural Chemistry. 3rd ed. by J. S. Willcox and W. N. Townsend. London: E. Arnold, 1964.

Cita MLA (8th ed.)

Comber, Norman M., et al. An Introduction to Agricultural Chemistry. 3rd ed. by J. S. Willcox and W. N. Townsend. E. Arnold, 1964.