Cita APA (7a ed.)

Beetsma, J. (1981). Europa 1800 - 1900. Gottmer.

Cita Chicago Style (17a ed.)

Beetsma, J. Europa 1800 - 1900. [Haarlem]: Gottmer, 1981.

Cita MLA (9a ed.)

Beetsma, J. Europa 1800 - 1900. Gottmer, 1981.