Style de citation APA (7e éd.)

Heie, O. E. (1967). Studies on fossil aphids (Homoptera: Aphidoidea): Especially in the Copenhagen collection of fossils in Baltic amber.

Style de citation Chicago (17e éd.)

Heie, Ole E. Studies on Fossil Aphids (Homoptera: Aphidoidea): Especially in the Copenhagen Collection of Fossils in Baltic Amber. Copenhagen, 1967.

Style de citation MLA (8e éd.)

Heie, Ole E. Studies on Fossil Aphids (Homoptera: Aphidoidea): Especially in the Copenhagen Collection of Fossils in Baltic Amber. 1967.