APA (7th ed.) Citation

Elbourne, E. T., & Stamp, J. C. S. (1926). The marketing problem: How it is being tackled in U.S.A. Longmans, Green, and Co.

Chicago Style (17th ed.) Citation

Elbourne, Edward Tregaskiss, and Josiah Charles Stamp Stamp. The Marketing Problem: How It Is Being Tackled in U.S.A. London [etc.]: Longmans, Green, and Co, 1926.

MLA (9th ed.) Citation

Elbourne, Edward Tregaskiss, and Josiah Charles Stamp Stamp. The Marketing Problem: How It Is Being Tackled in U.S.A. Longmans, Green, and Co, 1926.