APA (7th ed.) Citation

Hjortstam, K. E., Ryvarden, L., Larsson, K., & Eriksson, J. (1973). The Corticiaceae of North Europe. Fungiflora.

Chicago Style (17th ed.) Citation

Hjortstam, Kurt Egon, Leif Ryvarden, Karl-Henrik Larsson, and John Eriksson. The Corticiaceae of North Europe. Oslo: Fungiflora, 1973.

MLA (9th ed.) Citation

Hjortstam, Kurt Egon, et al. The Corticiaceae of North Europe. Fungiflora, 1973.