APA

Hoff R. J., Minggao S. & Estados Unidos. (1994). Genetic variation in susceptibility of lodgepole pine to western gall rust in the Inland Northwest. Washington: Intermountain Research Station.

Chicago

Hoff Ray J, Minggao Sun and Estados Unidos. 1994. Genetic variation in susceptibility of lodgepole pine to western gall rust in the Inland Northwest. Washington: Intermountain Research Station.

Harvard

Hoff R. J., Minggao S. and Estados Unidos. (1994). Genetic variation in susceptibility of lodgepole pine to western gall rust in the Inland Northwest. Washington: Intermountain Research Station.

MLA

Hoff Ray J, Minggao Sun and Estados Unidos. Genetic variation in susceptibility of lodgepole pine to western gall rust in the Inland Northwest. Washington: Intermountain Research Station. 1994.