Style de citation APA (7e éd.)

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

Style de citation Chicago (17e éd.)

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

Style de citation MLA (9e éd.)

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