APA (7th ed.) Citation

Bergmann, G., & Lansberg, M. P. (1975). Ex Libris Dr M. P. Lansberg. [wydawca nieznany].

Chicago Style (17th ed.) Citation

Bergmann, Gerard, and Martin Philip Lansberg. Ex Libris Dr M. P. Lansberg. [Zeist]: [wydawca nieznany], 1975.

MLA (9th ed.) Citation

Bergmann, Gerard, and Martin Philip Lansberg. Ex Libris Dr M. P. Lansberg. [wydawca nieznany], 1975.

Warning: These citations may not always be 100% accurate.