APA (7th ed.) Citation

Cremer, J. (1979). Tropen. Loeb & Van der Velden [u.a.].

Chicago Style (17th ed.) Citation

Cremer, Jan. Tropen. Amsterdam: Loeb & Van der Velden [u.a.], 1979.

MLA (9th ed.) Citation

Cremer, Jan. Tropen. Loeb & Van der Velden [u.a.], 1979.