APA (7th ed.) Citation

Horsley, E. M. . [. (1977). The new Hutchinson 20th century encyclopedia ([6th ed.].). Hutchinson.

Chicago Style (17th ed.) Citation

Horsley, E. M. []. The New Hutchinson 20th Century Encyclopedia. [6th ed.]. London: Hutchinson, 1977.

MLA (9th ed.) Citation

Horsley, E. M. []. The New Hutchinson 20th Century Encyclopedia. [6th ed.]. Hutchinson, 1977.

Warning: These citations may not always be 100% accurate.