Cita APA (7th ed.)

Halsema, J. J. (1983). E.J. Halsema: Colonial engineer (II). E.J. Halsema: colonial engineer (II)..

Cita Chicago (17th ed.)

Halsema, James J. "E.J. Halsema: Colonial Engineer (II)." E.J. Halsema: Colonial Engineer (II). 1983.

Cita MLA (9th ed.)

Halsema, James J. "E.J. Halsema: Colonial Engineer (II)." E.J. Halsema: Colonial Engineer (II)., 1983.