APA aipamena

Nielsen, J. G. (1969). Systematics and biology of the Aphyonidae: (Pisces, Ophidioidea). Danish Science Press.

Chicago Style aipamena

Nielsen, Jørgen G. Systematics and Biology of the Aphyonidae: (Pisces, Ophidioidea). Copenhagen: Danish Science Press, 1969.

MLA aipamena

Nielsen, Jørgen G. Systematics and Biology of the Aphyonidae: (Pisces, Ophidioidea). Danish Science Press, 1969.