APA (7th ed.) Citation

Lobban, J., Ogwen, E., & Jenkins, E. (1978). Y beic. Macmillan.

Chicago Style (17th ed.) Citation

Lobban, John, Elen Ogwen, and Edna Jenkins. Y Beic. Basingstoke [u.a.]: Macmillan, 1978.

MLA (9th ed.) Citation

Lobban, John, et al. Y Beic. Macmillan, 1978.