APA (7th ed.) Citation

Erdtmann, B., Maletz, J., & Gutiérrez-Marco, J. C. (1987). The new Early Ordovician (Hunneberg Stage) graptolite genusParadelograptus (Kinnegraptidae), its phylogeny and biostratigraphy. Paläontologische Zeitschrift, 61(1-2), 109.

Chicago Style (17th ed.) Citation

Erdtmann, Bernd-D, Jörg Maletz, and J. C. Gutiérrez-Marco. "The New Early Ordovician (Hunneberg Stage) Graptolite GenusParadelograptus (Kinnegraptidae), Its Phylogeny and Biostratigraphy." Paläontologische Zeitschrift 61, no. 1-2 (1987): 109.

MLA (9th ed.) Citation

Erdtmann, Bernd-D, et al. "The New Early Ordovician (Hunneberg Stage) Graptolite GenusParadelograptus (Kinnegraptidae), Its Phylogeny and Biostratigraphy." Paläontologische Zeitschrift, vol. 61, no. 1-2, 1987, p. 109.