APA (7. basım) Alıntı

Ewan, J. A. (1973). William Lobb, plant hunter for veitch and messenger of the big tree. University of California.

Chicago Style (17. basım) Atıf

Ewan, Joseph Andorfer. William Lobb, Plant Hunter for Veitch and Messenger of the Big Tree. Berkeley: University of California, 1973.

MLA (9th ed.) Atıf

Ewan, Joseph Andorfer. William Lobb, Plant Hunter for Veitch and Messenger of the Big Tree. University of California, 1973.