Citazione Stile APA (7a Edizione)

Dahling, G. V. (1978). Systematics and evolution of Garrya. Harvard University. The Gray Herbarium.

Citazione stile Chigago Style (17a edizione)

Dahling, Gerald V. Systematics and Evolution of Garrya. Cambridge, Mass: Harvard University. The Gray Herbarium, 1978.

Citatione MLA (9a ed.)

Dahling, Gerald V. Systematics and Evolution of Garrya. Harvard University. The Gray Herbarium, 1978.