APA (7e ed.) Bronvermelding

Não informado. (1967). Journal of Differential Geometry. American Mathematical Society.

Chicago (17e ed.) Bronvermelding

Não informado. Journal of Differential Geometry. Bethlehem, Pa: American Mathematical Society, 1967.

MLA (8e ed.) Bronvermelding

Não informado. Journal of Differential Geometry. American Mathematical Society, 1967.

Let op: Deze citaties zijn niet altijd 100% accuraat.