Style de citation APA (7e éd.)

Fitch, W. S. Multiple Periodic Variable Stars: Proceedings of the International Astronomical Union Colloquium No. 29, Held at Budapest, Hungary 1-5 September 1975. Springer International Publishing.

Style de citation Chicago (17e éd.)

Fitch, Walter S. Multiple Periodic Variable Stars: Proceedings of the International Astronomical Union Colloquium No. 29, Held at Budapest, Hungary 1-5 September 1975. Cham: Springer International Publishing.

Style de citation MLA (8e éd.)

Fitch, Walter S. Multiple Periodic Variable Stars: Proceedings of the International Astronomical Union Colloquium No. 29, Held at Budapest, Hungary 1-5 September 1975. Springer International Publishing.