APA aipamena

Horsley, E. M. (1977). New Hutchinson [20th] century encyclopedia. Hutchinson.

Chicago Style aipamena

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

MLA aipamena

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