APA (7th ed.) Citation

Defretin-Lefranc, S., Grasmück, K., & Trümpy, R. (1969). Notes on Triassic stratigraphy and paleontology of north-eastern Jameson Land (East Greenland). Reitzel.

Chicago Style (17th ed.) Citation

Defretin-Lefranc, S., K. Grasmück, and Rudolf Trümpy. Notes on Triassic Stratigraphy and Paleontology of North-eastern Jameson Land (East Greenland). København: Reitzel, 1969.

MLA (9th ed.) Citation

Defretin-Lefranc, S., et al. Notes on Triassic Stratigraphy and Paleontology of North-eastern Jameson Land (East Greenland). Reitzel, 1969.