APA ציטוט

HAECKEL, E. (1869). HAECKEL, Ernst HALBHERR, Johanneshez.

Chicago Style (17th ed.) Citation

HAECKEL, Ernst. HAECKEL, Ernst HALBHERR, Johanneshez. 1869.

ציטוט MLA

HAECKEL, Ernst. HAECKEL, Ernst HALBHERR, Johanneshez. 1869.