APA (7th ed.) Citation

Haeckel, E. H. P. A. (1998). Art forms in nature: The prints of Ernst Haeckel. Prestel.

Chicago Style (17th ed.) Citation

Haeckel, Ernst Heinrich Philipp August. Art Forms in Nature: The Prints of Ernst Haeckel. Munich: Prestel, 1998.

MLA (9th ed.) Citation

Haeckel, Ernst Heinrich Philipp August. Art Forms in Nature: The Prints of Ernst Haeckel. Prestel, 1998.