APA (7th ed.) Citation

Pear Tree Press, Morland Press, Guthrie, J., & Thomas, E. (1912). Root and branch. Pear Tree Press.

Chicago Style (17th ed.) Citation

Pear Tree Press, Morland Press, James Guthrie, and Edward Thomas. Root and Branch. Flansham, Bognor, Sussex: Pear Tree Press, 1912.

MLA (9th ed.) Citation

Pear Tree Press, et al. Root and Branch. Pear Tree Press, 1912.