APA (7th ed.) Citation

Engelskjøn, T., & Knaben, G. (1971). Chromosome numbers of Scandinavian arctic-alpine plant species III. Universitetsforlaget.

Chicago Style (17th ed.) Citation

Engelskjøn, Torstein, and Gunvor Knaben. Chromosome Numbers of Scandinavian Arctic-alpine Plant Species III. Tromsø: Universitetsforlaget, 1971.

MLA (9th ed.) Citation

Engelskjøn, Torstein, and Gunvor Knaben. Chromosome Numbers of Scandinavian Arctic-alpine Plant Species III. Universitetsforlaget, 1971.