APA (7th ed.) Citation

Halsema, J. J. (1986). E.J. Halsema--colonial engineer (IX). E.J. Halsema--colonial engineer (IX)..

Chicago Style (17th ed.) Citation

Halsema, James J. "E.J. Halsema--colonial Engineer (IX)." E.J. Halsema--colonial Engineer (IX). 1986.

MLA (9th ed.) Citation

Halsema, James J. "E.J. Halsema--colonial Engineer (IX)." E.J. Halsema--colonial Engineer (IX)., 1986.

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