Servie Janssen.

MLA

Servie Janssen. 300 ex. [S.l.]: [s.n.], 1978.

APA

(1978). Servie Janssen. 300 ex. [S.l.]: [s.n.].

Chicago

Servie Janssen. 300 ex. [S.l.]: [s.n.], 1978.