APA (7th ed.) Citation

Van Wickel, J. F. (1925). Improved machinery sales in Dutch East Indies. [publisher not identified].

Chicago Style (17th ed.) Citation

Van Wickel, Jesse F. Improved Machinery Sales in Dutch East Indies. Washington, D.C.: [publisher not identified], 1925.

MLA (9th ed.) Citation

Van Wickel, Jesse F. Improved Machinery Sales in Dutch East Indies. [publisher not identified], 1925.