APA

Baumgartner D. M., Lotan J. E., . (1987). Ponderosa pine the species and its management : symposium proceedings. Pullman: Washington State University.

Chicago

Baumgartner David M, Lotan James E, . 1987. Ponderosa pine the species and its management : symposium proceedings. Pullman: Washington State University.

Harvard

Baumgartner D. M., Lotan J. E., . (1987). Ponderosa pine the species and its management : symposium proceedings. Pullman: Washington State University.

MLA

Baumgartner David M, Lotan James E, . Ponderosa pine the species and its management : symposium proceedings. Pullman: Washington State University. 1987.