APA (7th ed.) Citation

Hoffmann, B., & Dukas, H. (1975). Albert Einstein. Granada.

Chicago Style (17th ed.) Citation

Hoffmann, Banesh, and Helen Dukas. Albert Einstein. St Albans: Granada, 1975.

MLA (8th ed.) Citation

Hoffmann, Banesh, and Helen Dukas. Albert Einstein. Granada, 1975.