APA (7th ed.) Citation

Johansson, T. S. K., & Johansson, M. P. (1972). Apicultural literature published in Canada and the United States.

Chicago Style (17th ed.) Citation

Johansson, T. S. K., and M. P. Johansson. Apicultural Literature Published in Canada and the United States. Bayside [u.a.], 1972.

MLA (9th ed.) Citation

Johansson, T. S. K., and M. P. Johansson. Apicultural Literature Published in Canada and the United States. 1972.