APA (7th ed.) Citation

(1972). Who's who in science in Europe: a reference: Guide to European scientists. Francis Hodgson.

Chicago Style (17th ed.) Citation

Who's Who in Science in Europe: A Reference: Guide to European Scientists. Guernsey: Francis Hodgson, 1972.

MLA (9th ed.) Citation

Who's Who in Science in Europe: A Reference: Guide to European Scientists. Francis Hodgson, 1972.