APA (7th ed.) Citation

Hooker, J. D., Huxley, L., & Hooker, H. (1918). Life and letters of Sir Joseph Dalton Hooker ... J. Murray.

Chicago Style (17th ed.) Citation

Hooker, Joseph Dalton, Leonard Huxley, and Hyacinth Hooker. Life and Letters of Sir Joseph Dalton Hooker ... London: J. Murray, 1918.

MLA (9th ed.) Citation

Hooker, Joseph Dalton, et al. Life and Letters of Sir Joseph Dalton Hooker ... J. Murray, 1918.