Cita APA (7a ed.)

Hellgren, M. (1995). Gremmeniella abietina: Disease biology and genetic variation within Fennoscandia. Sveriges lantbruksuniversitet.

Cita Chicago Style (17a ed.)

Hellgren, Magnus. Gremmeniella Abietina: Disease Biology and Genetic Variation Within Fennoscandia. Uppsala: Sveriges lantbruksuniversitet, 1995.

Cita MLA (8a ed.)

Hellgren, Magnus. Gremmeniella Abietina: Disease Biology and Genetic Variation Within Fennoscandia. Sveriges lantbruksuniversitet, 1995.