APA

Canadian Tree Improvement Association (CTIA), . (1988). Proceedings of the twenty-first meeting of the Canadian Tree Improvement Association part 2 : Symposium on tree improvement-progressing together. : Canadian Tree Improvement Association (CTIA).

Chicago

Canadian Tree Improvement Association (CTIA), . 1988. Proceedings of the twenty-first meeting of the Canadian Tree Improvement Association part 2 : Symposium on tree improvement-progressing together. : Canadian Tree Improvement Association (CTIA).

Harvard

Canadian Tree Improvement Association (CTIA), . (1988). Proceedings of the twenty-first meeting of the Canadian Tree Improvement Association part 2 : Symposium on tree improvement-progressing together. : Canadian Tree Improvement Association (CTIA).

MLA

Canadian Tree Improvement Association (CTIA), . Proceedings of the twenty-first meeting of the Canadian Tree Improvement Association part 2 : Symposium on tree improvement-progressing together. : Canadian Tree Improvement Association (CTIA). 1988.